Home / 85,767,110.10-128,650,665.15-34,622,802.90

Finding the Fourth Proportional to 85,767,110.10, 128,650,665.15 and 34,622,802.90

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Solution

The fourth proportional to 85,767,110.10, 128,650,665.15 and 34,622,802.90 is: 51,934,204.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,767,110.10 : 128,650,665.15 = 34,622,802.90 : x
  2. Step 2: Convert to fraction form
    85,767,110.10/128,650,665.15 = 34,622,802.90/x
  3. Step 3: Cross multiply
    85,767,110.10x = 128,650,665.15 × 34,622,802.90
  4. Step 4: Simplify right side
    85,767,110.10x = 4,454,246,622,442,349
  5. Step 5: Solve for x
    x = 4,454,246,622,442,349/85,767,110.10
  6. Step 6: Final answer
    x = 51,934,204.35

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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.