Home / 233,113,259.17-321,687,864.20-128,689,088.27

Finding the Fourth Proportional to 233,113,259.17, 321,687,864.20 and 128,689,088.27

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Solution

The fourth proportional to 233,113,259.17, 321,687,864.20 and 128,689,088.27 is: 177,586,286.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    233,113,259.17 : 321,687,864.20 = 128,689,088.27 : x
  2. Step 2: Convert to fraction form
    233,113,259.17/321,687,864.20 = 128,689,088.27/x
  3. Step 3: Cross multiply
    233,113,259.17x = 321,687,864.20 × 128,689,088.27
  4. Step 4: Simplify right side
    233,113,259.17x = 41,397,717,950,778,128
  5. Step 5: Solve for x
    x = 41,397,717,950,778,128/233,113,259.17
  6. Step 6: Final answer
    x = 177,586,286.16

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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.