Home / 143,514,670.10-197,988,117.80-87,762,527.78

Finding the Fourth Proportional to 143,514,670.10, 197,988,117.80 and 87,762,527.78

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Solution

The fourth proportional to 143,514,670.10, 197,988,117.80 and 87,762,527.78 is: 121,074,296.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,514,670.10 : 197,988,117.80 = 87,762,527.78 : x
  2. Step 2: Convert to fraction form
    143,514,670.10/197,988,117.80 = 87,762,527.78/x
  3. Step 3: Cross multiply
    143,514,670.10x = 197,988,117.80 × 87,762,527.78
  4. Step 4: Simplify right side
    143,514,670.10x = 17,375,937,687,103,660
  5. Step 5: Solve for x
    x = 17,375,937,687,103,660/143,514,670.10
  6. Step 6: Final answer
    x = 121,074,296.28

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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.