Home / 168,755,905.52-254,398,717.45-157,506,586.23

Finding the Fourth Proportional to 168,755,905.52, 254,398,717.45 and 157,506,586.23

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Solution

The fourth proportional to 168,755,905.52, 254,398,717.45 and 157,506,586.23 is: 237,440,422.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,755,905.52 : 254,398,717.45 = 157,506,586.23 : x
  2. Step 2: Convert to fraction form
    168,755,905.52/254,398,717.45 = 157,506,586.23/x
  3. Step 3: Cross multiply
    168,755,905.52x = 254,398,717.45 × 157,506,586.23
  4. Step 4: Simplify right side
    168,755,905.52x = 40,069,473,527,990,704
  5. Step 5: Solve for x
    x = 40,069,473,527,990,704/168,755,905.52
  6. Step 6: Final answer
    x = 237,440,422.63

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.