Home / 91,151,331.18-125,788,827.69-49,335,389.16

Finding the Fourth Proportional to 91,151,331.18, 125,788,827.69 and 49,335,389.16

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Solution

The fourth proportional to 91,151,331.18, 125,788,827.69 and 49,335,389.16 is: 68,082,831.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,151,331.18 : 125,788,827.69 = 49,335,389.16 : x
  2. Step 2: Convert to fraction form
    91,151,331.18/125,788,827.69 = 49,335,389.16/x
  3. Step 3: Cross multiply
    91,151,331.18x = 125,788,827.69 × 49,335,389.16
  4. Step 4: Simplify right side
    91,151,331.18x = 6,205,840,766,066,333
  5. Step 5: Solve for x
    x = 6,205,840,766,066,333/91,151,331.18
  6. Step 6: Final answer
    x = 68,082,831.99

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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.