Home / 60,690,765.60-91,036,148.40-55,163,779.20

Finding the Fourth Proportional to 60,690,765.60, 91,036,148.40 and 55,163,779.20

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Solution

The fourth proportional to 60,690,765.60, 91,036,148.40 and 55,163,779.20 is: 82,745,668.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,690,765.60 : 91,036,148.40 = 55,163,779.20 : x
  2. Step 2: Convert to fraction form
    60,690,765.60/91,036,148.40 = 55,163,779.20/x
  3. Step 3: Cross multiply
    60,690,765.60x = 91,036,148.40 × 55,163,779.20
  4. Step 4: Simplify right side
    60,690,765.60x = 5,021,897,989,556,034
  5. Step 5: Solve for x
    x = 5,021,897,989,556,034/60,690,765.60
  6. Step 6: Final answer
    x = 82,745,668.80

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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.