Home / 144,024,205.12-216,018,085.02-45,656,859.89

Finding the Fourth Proportional to 144,024,205.12, 216,018,085.02 and 45,656,859.89

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Solution

The fourth proportional to 144,024,205.12, 216,018,085.02 and 45,656,859.89 is: 68,479,513.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,024,205.12 : 216,018,085.02 = 45,656,859.89 : x
  2. Step 2: Convert to fraction form
    144,024,205.12/216,018,085.02 = 45,656,859.89/x
  3. Step 3: Cross multiply
    144,024,205.12x = 216,018,085.02 × 45,656,859.89
  4. Step 4: Simplify right side
    144,024,205.12x = 9,862,707,441,833,536
  5. Step 5: Solve for x
    x = 9,862,707,441,833,536/144,024,205.12
  6. Step 6: Final answer
    x = 68,479,513.11

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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.