Home / 109,220,463.40-163,830,695.10-28,441,431.40

Finding the Fourth Proportional to 109,220,463.40, 163,830,695.10 and 28,441,431.40

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Solution

The fourth proportional to 109,220,463.40, 163,830,695.10 and 28,441,431.40 is: 42,662,147.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,220,463.40 : 163,830,695.10 = 28,441,431.40 : x
  2. Step 2: Convert to fraction form
    109,220,463.40/163,830,695.10 = 28,441,431.40/x
  3. Step 3: Cross multiply
    109,220,463.40x = 163,830,695.10 × 28,441,431.40
  4. Step 4: Simplify right side
    109,220,463.40x = 4,659,579,475,900,966
  5. Step 5: Solve for x
    x = 4,659,579,475,900,966/109,220,463.40
  6. Step 6: Final answer
    x = 42,662,147.10

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.