Home / 144,782,506,830.60-199,799,892,039.15-79,676,934,124.91

Finding the Fourth Proportional to 144,782,506,830.60, 199,799,892,039.15 and 79,676,934,124.91

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Solution

The fourth proportional to 144,782,506,830.60, 199,799,892,039.15 and 79,676,934,124.91 is: 109,954,187,039.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,782,506,830.60 : 199,799,892,039.15 = 79,676,934,124.91 : x
  2. Step 2: Convert to fraction form
    144,782,506,830.60/199,799,892,039.15 = 79,676,934,124.91/x
  3. Step 3: Cross multiply
    144,782,506,830.60x = 199,799,892,039.15 × 79,676,934,124.91
  4. Step 4: Simplify right side
    144,782,506,830.60x = 15,919,442,836,168,082,718,720
  5. Step 5: Solve for x
    x = 15,919,442,836,168,082,718,720/144,782,506,830.60
  6. Step 6: Final answer
    x = 109,954,187,039.97

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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.