Home / 109,009,925.70-163,582,962.83-72,643,833.58

Finding the Fourth Proportional to 109,009,925.70, 163,582,962.83 and 72,643,833.58

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Solution

The fourth proportional to 109,009,925.70, 163,582,962.83 and 72,643,833.58 is: 109,011,114.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,009,925.70 : 163,582,962.83 = 72,643,833.58 : x
  2. Step 2: Convert to fraction form
    109,009,925.70/163,582,962.83 = 72,643,833.58/x
  3. Step 3: Cross multiply
    109,009,925.70x = 163,582,962.83 × 72,643,833.58
  4. Step 4: Simplify right side
    109,009,925.70x = 11,883,293,528,345,846
  5. Step 5: Solve for x
    x = 11,883,293,528,345,846/109,009,925.70
  6. Step 6: Final answer
    x = 109,011,114.83

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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.