Home / 86,936,598.80-130,404,898.20-61,427,430.80

Finding the Fourth Proportional to 86,936,598.80, 130,404,898.20 and 61,427,430.80

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Solution

The fourth proportional to 86,936,598.80, 130,404,898.20 and 61,427,430.80 is: 92,141,146.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,936,598.80 : 130,404,898.20 = 61,427,430.80 : x
  2. Step 2: Convert to fraction form
    86,936,598.80/130,404,898.20 = 61,427,430.80/x
  3. Step 3: Cross multiply
    86,936,598.80x = 130,404,898.20 × 61,427,430.80
  4. Step 4: Simplify right side
    86,936,598.80x = 8,010,437,860,161,544
  5. Step 5: Solve for x
    x = 8,010,437,860,161,544/86,936,598.80
  6. Step 6: Final answer
    x = 92,141,146.20

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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.