Home / 99,727,376.24-149,649,356.72-72,033,985.73

Finding the Fourth Proportional to 99,727,376.24, 149,649,356.72 and 72,033,985.73

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Solution

The fourth proportional to 99,727,376.24, 149,649,356.72 and 72,033,985.73 is: 108,093,083.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,727,376.24 : 149,649,356.72 = 72,033,985.73 : x
  2. Step 2: Convert to fraction form
    99,727,376.24/149,649,356.72 = 72,033,985.73/x
  3. Step 3: Cross multiply
    99,727,376.24x = 149,649,356.72 × 72,033,985.73
  4. Step 4: Simplify right side
    99,727,376.24x = 10,779,839,627,026,368
  5. Step 5: Solve for x
    x = 10,779,839,627,026,368/99,727,376.24
  6. Step 6: Final answer
    x = 108,093,083.70

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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.