Home / 82,946,565.60-124,419,848.40-29,099,320.80

Finding the Fourth Proportional to 82,946,565.60, 124,419,848.40 and 29,099,320.80

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Solution

The fourth proportional to 82,946,565.60, 124,419,848.40 and 29,099,320.80 is: 43,648,981.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,946,565.60 : 124,419,848.40 = 29,099,320.80 : x
  2. Step 2: Convert to fraction form
    82,946,565.60/124,419,848.40 = 29,099,320.80/x
  3. Step 3: Cross multiply
    82,946,565.60x = 124,419,848.40 × 29,099,320.80
  4. Step 4: Simplify right side
    82,946,565.60x = 3,620,533,082,478,967
  5. Step 5: Solve for x
    x = 3,620,533,082,478,967/82,946,565.60
  6. Step 6: Final answer
    x = 43,648,981.20

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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.