Home / 147,127,813.75-220,699,768.78-59,676,343.16

Finding the Fourth Proportional to 147,127,813.75, 220,699,768.78 and 59,676,343.16

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Solution

The fourth proportional to 147,127,813.75, 220,699,768.78 and 59,676,343.16 is: 89,517,779.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,127,813.75 : 220,699,768.78 = 59,676,343.16 : x
  2. Step 2: Convert to fraction form
    147,127,813.75/220,699,768.78 = 59,676,343.16/x
  3. Step 3: Cross multiply
    147,127,813.75x = 220,699,768.78 × 59,676,343.16
  4. Step 4: Simplify right side
    147,127,813.75x = 13,170,555,137,047,934
  5. Step 5: Solve for x
    x = 13,170,555,137,047,934/147,127,813.75
  6. Step 6: Final answer
    x = 89,517,779.14

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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.