Home / 144,767,593.74-199,780,616.76-78,688,247.46

Finding the Fourth Proportional to 144,767,593.74, 199,780,616.76 and 78,688,247.46

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Solution

The fourth proportional to 144,767,593.74, 199,780,616.76 and 78,688,247.46 is: 108,590,508.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,767,593.74 : 199,780,616.76 = 78,688,247.46 : x
  2. Step 2: Convert to fraction form
    144,767,593.74/199,780,616.76 = 78,688,247.46/x
  3. Step 3: Cross multiply
    144,767,593.74x = 199,780,616.76 × 78,688,247.46
  4. Step 4: Simplify right side
    144,767,593.74x = 15,720,386,609,322,302
  5. Step 5: Solve for x
    x = 15,720,386,609,322,302/144,767,593.74
  6. Step 6: Final answer
    x = 108,590,508.44

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.