Home / 66,430,051.20-99,645,076.80-59,711,587.20

Finding the Fourth Proportional to 66,430,051.20, 99,645,076.80 and 59,711,587.20

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Solution

The fourth proportional to 66,430,051.20, 99,645,076.80 and 59,711,587.20 is: 89,567,380.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,430,051.20 : 99,645,076.80 = 59,711,587.20 : x
  2. Step 2: Convert to fraction form
    66,430,051.20/99,645,076.80 = 59,711,587.20/x
  3. Step 3: Cross multiply
    66,430,051.20x = 99,645,076.80 × 59,711,587.20
  4. Step 4: Simplify right side
    66,430,051.20x = 5,949,965,692,393,897
  5. Step 5: Solve for x
    x = 5,949,965,692,393,897/66,430,051.20
  6. Step 6: Final answer
    x = 89,567,380.80

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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.