Home / 86,437,203.35-129,656,024.63-35,319,222.15

Finding the Fourth Proportional to 86,437,203.35, 129,656,024.63 and 35,319,222.15

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Solution

The fourth proportional to 86,437,203.35, 129,656,024.63 and 35,319,222.15 is: 52,978,922.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,437,203.35 : 129,656,024.63 = 35,319,222.15 : x
  2. Step 2: Convert to fraction form
    86,437,203.35/129,656,024.63 = 35,319,222.15/x
  3. Step 3: Cross multiply
    86,437,203.35x = 129,656,024.63 × 35,319,222.15
  4. Step 4: Simplify right side
    86,437,203.35x = 4,579,349,936,816,245
  5. Step 5: Solve for x
    x = 4,579,349,936,816,245/86,437,203.35
  6. Step 6: Final answer
    x = 52,978,922.96

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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.