Home / 330,098,129.76-455,545,670.85-181,416,547.89

Finding the Fourth Proportional to 330,098,129.76, 455,545,670.85 and 181,416,547.89

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Solution

The fourth proportional to 330,098,129.76, 455,545,670.85 and 181,416,547.89 is: 250,360,470.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,098,129.76 : 455,545,670.85 = 181,416,547.89 : x
  2. Step 2: Convert to fraction form
    330,098,129.76/455,545,670.85 = 181,416,547.89/x
  3. Step 3: Cross multiply
    330,098,129.76x = 455,545,670.85 × 181,416,547.89
  4. Step 4: Simplify right side
    330,098,129.76x = 82,643,523,011,841,200
  5. Step 5: Solve for x
    x = 82,643,523,011,841,200/330,098,129.76
  6. Step 6: Final answer
    x = 250,360,470.30

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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.