Home / 99,727,314.65-149,649,264.26-72,033,924.14

Finding the Fourth Proportional to 99,727,314.65, 149,649,264.26 and 72,033,924.14

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Solution

The fourth proportional to 99,727,314.65, 149,649,264.26 and 72,033,924.14 is: 108,092,991.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,727,314.65 : 149,649,264.26 = 72,033,924.14 : x
  2. Step 2: Convert to fraction form
    99,727,314.65/149,649,264.26 = 72,033,924.14/x
  3. Step 3: Cross multiply
    99,727,314.65x = 149,649,264.26 × 72,033,924.14
  4. Step 4: Simplify right side
    99,727,314.65x = 10,779,823,748,951,484
  5. Step 5: Solve for x
    x = 10,779,823,748,951,484/99,727,314.65
  6. Step 6: Final answer
    x = 108,092,991.24

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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.