Home / 175,881,819.60-263,822,729.40-78,734,404.80

Finding the Fourth Proportional to 175,881,819.60, 263,822,729.40 and 78,734,404.80

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Solution

The fourth proportional to 175,881,819.60, 263,822,729.40 and 78,734,404.80 is: 118,101,607.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,881,819.60 : 263,822,729.40 = 78,734,404.80 : x
  2. Step 2: Convert to fraction form
    175,881,819.60/263,822,729.40 = 78,734,404.80/x
  3. Step 3: Cross multiply
    175,881,819.60x = 263,822,729.40 × 78,734,404.80
  4. Step 4: Simplify right side
    175,881,819.60x = 20,771,925,572,020,460
  5. Step 5: Solve for x
    x = 20,771,925,572,020,460/175,881,819.60
  6. Step 6: Final answer
    x = 118,101,607.20

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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.