Home / 86,407,355.93-129,611,165.12-35,289,374.74

Finding the Fourth Proportional to 86,407,355.93, 129,611,165.12 and 35,289,374.74

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Solution

The fourth proportional to 86,407,355.93, 129,611,165.12 and 35,289,374.74 is: 52,934,115.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,407,355.93 : 129,611,165.12 = 35,289,374.74 : x
  2. Step 2: Convert to fraction form
    86,407,355.93/129,611,165.12 = 35,289,374.74/x
  3. Step 3: Cross multiply
    86,407,355.93x = 129,611,165.12 × 35,289,374.74
  4. Step 4: Simplify right side
    86,407,355.93x = 4,573,896,976,669,457
  5. Step 5: Solve for x
    x = 4,573,896,976,669,457/86,407,355.93
  6. Step 6: Final answer
    x = 52,934,115.71

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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.