Home / 236,329,510.20-354,859,218.90-128,834,086.20

Finding the Fourth Proportional to 236,329,510.20, 354,859,218.90 and 128,834,086.20

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Solution

The fourth proportional to 236,329,510.20, 354,859,218.90 and 128,834,086.20 is: 193,450,082.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,329,510.20 : 354,859,218.90 = 128,834,086.20 : x
  2. Step 2: Convert to fraction form
    236,329,510.20/354,859,218.90 = 128,834,086.20/x
  3. Step 3: Cross multiply
    236,329,510.20x = 354,859,218.90 × 128,834,086.20
  4. Step 4: Simplify right side
    236,329,510.20x = 45,717,963,196,627,264
  5. Step 5: Solve for x
    x = 45,717,963,196,627,264/236,329,510.20
  6. Step 6: Final answer
    x = 193,450,082.29

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.