Home / 86,357,959.74-129,572,743.77-37,810,755.90

Finding the Fourth Proportional to 86,357,959.74, 129,572,743.77 and 37,810,755.90

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Solution

The fourth proportional to 86,357,959.74, 129,572,743.77 and 37,810,755.90 is: 56,731,810.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,357,959.74 : 129,572,743.77 = 37,810,755.90 : x
  2. Step 2: Convert to fraction form
    86,357,959.74/129,572,743.77 = 37,810,755.90/x
  3. Step 3: Cross multiply
    86,357,959.74x = 129,572,743.77 × 37,810,755.90
  4. Step 4: Simplify right side
    86,357,959.74x = 4,899,243,385,980,715
  5. Step 5: Solve for x
    x = 4,899,243,385,980,715/86,357,959.74
  6. Step 6: Final answer
    x = 56,731,810.26

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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.