Home / 86,365,776.96-129,571,377.44-31,039,200

Finding the Fourth Proportional to 86,365,776.96, 129,571,377.44 and 31,039,200

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Solution

The fourth proportional to 86,365,776.96, 129,571,377.44 and 31,039,200 is: 46,566,962.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,365,776.96 : 129,571,377.44 = 31,039,200 : x
  2. Step 2: Convert to fraction form
    86,365,776.96/129,571,377.44 = 31,039,200/x
  3. Step 3: Cross multiply
    86,365,776.96x = 129,571,377.44 × 31,039,200
  4. Step 4: Simplify right side
    86,365,776.96x = 4,021,791,898,635,648
  5. Step 5: Solve for x
    x = 4,021,791,898,635,648/86,365,776.96
  6. Step 6: Final answer
    x = 46,566,962.52

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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.