Home / 131,466,693.60-181,391,442.12-85,001,035.50

Finding the Fourth Proportional to 131,466,693.60, 181,391,442.12 and 85,001,035.50

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Solution

The fourth proportional to 131,466,693.60, 181,391,442.12 and 85,001,035.50 is: 117,280,354.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,466,693.60 : 181,391,442.12 = 85,001,035.50 : x
  2. Step 2: Convert to fraction form
    131,466,693.60/181,391,442.12 = 85,001,035.50/x
  3. Step 3: Cross multiply
    131,466,693.60x = 181,391,442.12 × 85,001,035.50
  4. Step 4: Simplify right side
    131,466,693.60x = 15,418,460,411,038,316
  5. Step 5: Solve for x
    x = 15,418,460,411,038,316/131,466,693.60
  6. Step 6: Final answer
    x = 117,280,354.35

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.