Home / 86,301,543.89-129,451,429.94-49,886,763.71

Finding the Fourth Proportional to 86,301,543.89, 129,451,429.94 and 49,886,763.71

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Solution

The fourth proportional to 86,301,543.89, 129,451,429.94 and 49,886,763.71 is: 74,829,633.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,301,543.89 : 129,451,429.94 = 49,886,763.71 : x
  2. Step 2: Convert to fraction form
    86,301,543.89/129,451,429.94 = 49,886,763.71/x
  3. Step 3: Cross multiply
    86,301,543.89x = 129,451,429.94 × 49,886,763.71
  4. Step 4: Simplify right side
    86,301,543.89x = 6,457,912,896,441,708
  5. Step 5: Solve for x
    x = 6,457,912,896,441,708/86,301,543.89
  6. Step 6: Final answer
    x = 74,829,633.46

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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.