Home / 168,812,036.47-253,213,330.78-53,803,480.15

Finding the Fourth Proportional to 168,812,036.47, 253,213,330.78 and 53,803,480.15

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Solution

The fourth proportional to 168,812,036.47, 253,213,330.78 and 53,803,480.15 is: 80,703,714.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,812,036.47 : 253,213,330.78 = 53,803,480.15 : x
  2. Step 2: Convert to fraction form
    168,812,036.47/253,213,330.78 = 53,803,480.15/x
  3. Step 3: Cross multiply
    168,812,036.47x = 253,213,330.78 × 53,803,480.15
  4. Step 4: Simplify right side
    168,812,036.47x = 13,623,758,416,337,114
  5. Step 5: Solve for x
    x = 13,623,758,416,337,114/168,812,036.47
  6. Step 6: Final answer
    x = 80,703,714.62

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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.