Home / 60,417,962.40-90,414,367.20-55,316,128.80

Finding the Fourth Proportional to 60,417,962.40, 90,414,367.20 and 55,316,128.80

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Solution

The fourth proportional to 60,417,962.40, 90,414,367.20 and 55,316,128.80 is: 82,779,567.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,417,962.40 : 90,414,367.20 = 55,316,128.80 : x
  2. Step 2: Convert to fraction form
    60,417,962.40/90,414,367.20 = 55,316,128.80/x
  3. Step 3: Cross multiply
    60,417,962.40x = 90,414,367.20 × 55,316,128.80
  4. Step 4: Simplify right side
    60,417,962.40x = 5,001,372,781,405,695
  5. Step 5: Solve for x
    x = 5,001,372,781,405,695/60,417,962.40
  6. Step 6: Final answer
    x = 82,779,567.25

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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.