Home / 68,989,669.20-103,484,503.91-28,039,514.13

Finding the Fourth Proportional to 68,989,669.20, 103,484,503.91 and 28,039,514.13

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Solution

The fourth proportional to 68,989,669.20, 103,484,503.91 and 28,039,514.13 is: 42,059,271.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,989,669.20 : 103,484,503.91 = 28,039,514.13 : x
  2. Step 2: Convert to fraction form
    68,989,669.20/103,484,503.91 = 28,039,514.13/x
  3. Step 3: Cross multiply
    68,989,669.20x = 103,484,503.91 × 28,039,514.13
  4. Step 4: Simplify right side
    68,989,669.20x = 2,901,655,209,690,584
  5. Step 5: Solve for x
    x = 2,901,655,209,690,584/68,989,669.20
  6. Step 6: Final answer
    x = 42,059,271.24

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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.