Home / 87,036,416.79-130,526,926.91-28,733,239.10

Finding the Fourth Proportional to 87,036,416.79, 130,526,926.91 and 28,733,239.10

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Solution

The fourth proportional to 87,036,416.79, 130,526,926.91 and 28,733,239.10 is: 43,090,714.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,036,416.79 : 130,526,926.91 = 28,733,239.10 : x
  2. Step 2: Convert to fraction form
    87,036,416.79/130,526,926.91 = 28,733,239.10/x
  3. Step 3: Cross multiply
    87,036,416.79x = 130,526,926.91 × 28,733,239.10
  4. Step 4: Simplify right side
    87,036,416.79x = 3,750,461,399,893,254.50
  5. Step 5: Solve for x
    x = 3,750,461,399,893,254.50/87,036,416.79
  6. Step 6: Final answer
    x = 43,090,714.65

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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.