Home / 79,849,307.60-119,550,012.60-77,609,819.60

Finding the Fourth Proportional to 79,849,307.60, 119,550,012.60 and 77,609,819.60

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Solution

The fourth proportional to 79,849,307.60, 119,550,012.60 and 77,609,819.60 is: 116,197,061.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,849,307.60 : 119,550,012.60 = 77,609,819.60 : x
  2. Step 2: Convert to fraction form
    79,849,307.60/119,550,012.60 = 77,609,819.60/x
  3. Step 3: Cross multiply
    79,849,307.60x = 119,550,012.60 × 77,609,819.60
  4. Step 4: Simplify right side
    79,849,307.60x = 9,278,254,911,063,726
  5. Step 5: Solve for x
    x = 9,278,254,911,063,726/79,849,307.60
  6. Step 6: Final answer
    x = 116,197,061.56

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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.