Home / 57,025,965.60-85,559,943.60-18,688,730.40

Finding the Fourth Proportional to 57,025,965.60, 85,559,943.60 and 18,688,730.40

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Solution

The fourth proportional to 57,025,965.60, 85,559,943.60 and 18,688,730.40 is: 28,039,976.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,025,965.60 : 85,559,943.60 = 18,688,730.40 : x
  2. Step 2: Convert to fraction form
    57,025,965.60/85,559,943.60 = 18,688,730.40/x
  3. Step 3: Cross multiply
    57,025,965.60x = 85,559,943.60 × 18,688,730.40
  4. Step 4: Simplify right side
    57,025,965.60x = 1,599,006,718,979,605.25
  5. Step 5: Solve for x
    x = 1,599,006,718,979,605.25/57,025,965.60
  6. Step 6: Final answer
    x = 28,039,976.21

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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.