Home / 123,622,608-185,429,335.50-49,878,280.20

Finding the Fourth Proportional to 123,622,608, 185,429,335.50 and 49,878,280.20

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Solution

The fourth proportional to 123,622,608, 185,429,335.50 and 49,878,280.20 is: 74,815,573.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,622,608 : 185,429,335.50 = 49,878,280.20 : x
  2. Step 2: Convert to fraction form
    123,622,608/185,429,335.50 = 49,878,280.20/x
  3. Step 3: Cross multiply
    123,622,608x = 185,429,335.50 × 49,878,280.20
  4. Step 4: Simplify right side
    123,622,608x = 9,248,896,353,368,808
  5. Step 5: Solve for x
    x = 9,248,896,353,368,808/123,622,608
  6. Step 6: Final answer
    x = 74,815,573.81

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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.