Home / 157,717,547.56-217,649,677.21-87,151,192.18

Finding the Fourth Proportional to 157,717,547.56, 217,649,677.21 and 87,151,192.18

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Solution

The fourth proportional to 157,717,547.56, 217,649,677.21 and 87,151,192.18 is: 120,268,347.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,717,547.56 : 217,649,677.21 = 87,151,192.18 : x
  2. Step 2: Convert to fraction form
    157,717,547.56/217,649,677.21 = 87,151,192.18/x
  3. Step 3: Cross multiply
    157,717,547.56x = 217,649,677.21 × 87,151,192.18
  4. Step 4: Simplify right side
    157,717,547.56x = 18,968,428,846,443,680
  5. Step 5: Solve for x
    x = 18,968,428,846,443,680/157,717,547.56
  6. Step 6: Final answer
    x = 120,268,347.69

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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.