Home / 142,555,986.40-213,640,558.08-60,572,063.20

Finding the Fourth Proportional to 142,555,986.40, 213,640,558.08 and 60,572,063.20

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Solution

The fourth proportional to 142,555,986.40, 213,640,558.08 and 60,572,063.20 is: 90,775,909.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,555,986.40 : 213,640,558.08 = 60,572,063.20 : x
  2. Step 2: Convert to fraction form
    142,555,986.40/213,640,558.08 = 60,572,063.20/x
  3. Step 3: Cross multiply
    142,555,986.40x = 213,640,558.08 × 60,572,063.20
  4. Step 4: Simplify right side
    142,555,986.40x = 12,940,649,386,105,032
  5. Step 5: Solve for x
    x = 12,940,649,386,105,032/142,555,986.40
  6. Step 6: Final answer
    x = 90,775,909.96

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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.