Home / 86,000,403.72-118,706,491.28-58,514,275.20

Finding the Fourth Proportional to 86,000,403.72, 118,706,491.28 and 58,514,275.20

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Solution

The fourth proportional to 86,000,403.72, 118,706,491.28 and 58,514,275.20 is: 80,767,345.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,000,403.72 : 118,706,491.28 = 58,514,275.20 : x
  2. Step 2: Convert to fraction form
    86,000,403.72/118,706,491.28 = 58,514,275.20/x
  3. Step 3: Cross multiply
    86,000,403.72x = 118,706,491.28 × 58,514,275.20
  4. Step 4: Simplify right side
    86,000,403.72x = 6,946,024,298,784,321
  5. Step 5: Solve for x
    x = 6,946,024,298,784,321/86,000,403.72
  6. Step 6: Final answer
    x = 80,767,345.25

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.