Home / 82,778,176,948.61-124,189,338,750.87-29,719,669,756.53

Finding the Fourth Proportional to 82,778,176,948.61, 124,189,338,750.87 and 29,719,669,756.53

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Solution

The fourth proportional to 82,778,176,948.61, 124,189,338,750.87 and 29,719,669,756.53 is: 44,587,429,573.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,778,176,948.61 : 124,189,338,750.87 = 29,719,669,756.53 : x
  2. Step 2: Convert to fraction form
    82,778,176,948.61/124,189,338,750.87 = 29,719,669,756.53/x
  3. Step 3: Cross multiply
    82,778,176,948.61x = 124,189,338,750.87 × 29,719,669,756.53
  4. Step 4: Simplify right side
    82,778,176,948.61x = 3,690,866,134,957,689,929,728
  5. Step 5: Solve for x
    x = 3,690,866,134,957,689,929,728/82,778,176,948.61
  6. Step 6: Final answer
    x = 44,587,429,573.97

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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.