Home / 145,113,540.60-217,763,956.89-52,989,565.48

Finding the Fourth Proportional to 145,113,540.60, 217,763,956.89 and 52,989,565.48

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Solution

The fourth proportional to 145,113,540.60, 217,763,956.89 and 52,989,565.48 is: 79,518,543.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,113,540.60 : 217,763,956.89 = 52,989,565.48 : x
  2. Step 2: Convert to fraction form
    145,113,540.60/217,763,956.89 = 52,989,565.48/x
  3. Step 3: Cross multiply
    145,113,540.60x = 217,763,956.89 × 52,989,565.48
  4. Step 4: Simplify right side
    145,113,540.60x = 11,539,217,452,806,550
  5. Step 5: Solve for x
    x = 11,539,217,452,806,550/145,113,540.60
  6. Step 6: Final answer
    x = 79,518,543.93

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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.