Home / 86,985,275.10-130,577,445.45-51,103,700.70

Finding the Fourth Proportional to 86,985,275.10, 130,577,445.45 and 51,103,700.70

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Solution

The fourth proportional to 86,985,275.10, 130,577,445.45 and 51,103,700.70 is: 76,714,026.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,985,275.10 : 130,577,445.45 = 51,103,700.70 : x
  2. Step 2: Convert to fraction form
    86,985,275.10/130,577,445.45 = 51,103,700.70/x
  3. Step 3: Cross multiply
    86,985,275.10x = 130,577,445.45 × 51,103,700.70
  4. Step 4: Simplify right side
    86,985,275.10x = 6,672,990,690,447,377
  5. Step 5: Solve for x
    x = 6,672,990,690,447,377/86,985,275.10
  6. Step 6: Final answer
    x = 76,714,026.40

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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.