Home / 99,649,486.16-149,402,490.78-61,231,623.56

Finding the Fourth Proportional to 99,649,486.16, 149,402,490.78 and 61,231,623.56

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Solution

The fourth proportional to 99,649,486.16, 149,402,490.78 and 61,231,623.56 is: 91,803,354.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,649,486.16 : 149,402,490.78 = 61,231,623.56 : x
  2. Step 2: Convert to fraction form
    99,649,486.16/149,402,490.78 = 61,231,623.56/x
  3. Step 3: Cross multiply
    99,649,486.16x = 149,402,490.78 × 61,231,623.56
  4. Step 4: Simplify right side
    99,649,486.16x = 9,148,157,074,367,332
  5. Step 5: Solve for x
    x = 9,148,157,074,367,332/99,649,486.16
  6. Step 6: Final answer
    x = 91,803,354.21

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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.