Home / 156,011,569.80-234,017,354.70-75,390,001.80

Finding the Fourth Proportional to 156,011,569.80, 234,017,354.70 and 75,390,001.80

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Solution

The fourth proportional to 156,011,569.80, 234,017,354.70 and 75,390,001.80 is: 113,085,002.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,011,569.80 : 234,017,354.70 = 75,390,001.80 : x
  2. Step 2: Convert to fraction form
    156,011,569.80/234,017,354.70 = 75,390,001.80/x
  3. Step 3: Cross multiply
    156,011,569.80x = 234,017,354.70 × 75,390,001.80
  4. Step 4: Simplify right side
    156,011,569.80x = 17,642,568,792,064,236
  5. Step 5: Solve for x
    x = 17,642,568,792,064,236/156,011,569.80
  6. Step 6: Final answer
    x = 113,085,002.70

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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.