Home / 45,572,577.20-68,358,865.80-42,112,276.40

Finding the Fourth Proportional to 45,572,577.20, 68,358,865.80 and 42,112,276.40

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Solution

The fourth proportional to 45,572,577.20, 68,358,865.80 and 42,112,276.40 is: 63,168,414.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,572,577.20 : 68,358,865.80 = 42,112,276.40 : x
  2. Step 2: Convert to fraction form
    45,572,577.20/68,358,865.80 = 42,112,276.40/x
  3. Step 3: Cross multiply
    45,572,577.20x = 68,358,865.80 × 42,112,276.40
  4. Step 4: Simplify right side
    45,572,577.20x = 2,878,747,450,960,107
  5. Step 5: Solve for x
    x = 2,878,747,450,960,107/45,572,577.20
  6. Step 6: Final answer
    x = 63,168,414.60

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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.