Home / 144,435,948.12-216,519,136.02-56,998,190.16

Finding the Fourth Proportional to 144,435,948.12, 216,519,136.02 and 56,998,190.16

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Solution

The fourth proportional to 144,435,948.12, 216,519,136.02 and 56,998,190.16 is: 85,444,095.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,435,948.12 : 216,519,136.02 = 56,998,190.16 : x
  2. Step 2: Convert to fraction form
    144,435,948.12/216,519,136.02 = 56,998,190.16/x
  3. Step 3: Cross multiply
    144,435,948.12x = 216,519,136.02 × 56,998,190.16
  4. Step 4: Simplify right side
    144,435,948.12x = 12,341,198,888,146,866
  5. Step 5: Solve for x
    x = 12,341,198,888,146,866/144,435,948.12
  6. Step 6: Final answer
    x = 85,444,095.11

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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.