Home / 144,059,095.83-198,801,670.71-77,979,389.74

Finding the Fourth Proportional to 144,059,095.83, 198,801,670.71 and 77,979,389.74

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Solution

The fourth proportional to 144,059,095.83, 198,801,670.71 and 77,979,389.74 is: 107,611,621.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,059,095.83 : 198,801,670.71 = 77,979,389.74 : x
  2. Step 2: Convert to fraction form
    144,059,095.83/198,801,670.71 = 77,979,389.74/x
  3. Step 3: Cross multiply
    144,059,095.83x = 198,801,670.71 × 77,979,389.74
  4. Step 4: Simplify right side
    144,059,095.83x = 15,502,432,961,613,080
  5. Step 5: Solve for x
    x = 15,502,432,961,613,080/144,059,095.83
  6. Step 6: Final answer
    x = 107,611,621.97

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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.