Home / 66,567,526.40-99,851,289.60-54,474,291.20

Finding the Fourth Proportional to 66,567,526.40, 99,851,289.60 and 54,474,291.20

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Solution

The fourth proportional to 66,567,526.40, 99,851,289.60 and 54,474,291.20 is: 81,711,436.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,567,526.40 : 99,851,289.60 = 54,474,291.20 : x
  2. Step 2: Convert to fraction form
    66,567,526.40/99,851,289.60 = 54,474,291.20/x
  3. Step 3: Cross multiply
    66,567,526.40x = 99,851,289.60 × 54,474,291.20
  4. Step 4: Simplify right side
    66,567,526.40x = 5,439,328,226,365,931
  5. Step 5: Solve for x
    x = 5,439,328,226,365,931/66,567,526.40
  6. Step 6: Final answer
    x = 81,711,436.80

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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.