Home / 130,676,354.43-180,327,844.83-71,136,412.74

Finding the Fourth Proportional to 130,676,354.43, 180,327,844.83 and 71,136,412.74

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Solution

The fourth proportional to 130,676,354.43, 180,327,844.83 and 71,136,412.74 is: 98,165,242.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,676,354.43 : 180,327,844.83 = 71,136,412.74 : x
  2. Step 2: Convert to fraction form
    130,676,354.43/180,327,844.83 = 71,136,412.74/x
  3. Step 3: Cross multiply
    130,676,354.43x = 180,327,844.83 × 71,136,412.74
  4. Step 4: Simplify right side
    130,676,354.43x = 12,827,875,998,341,556
  5. Step 5: Solve for x
    x = 12,827,875,998,341,556/130,676,354.43
  6. Step 6: Final answer
    x = 98,165,242.32

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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.