Home / 207,010,686.80-310,516,030.20-61,466,711.60

Finding the Fourth Proportional to 207,010,686.80, 310,516,030.20 and 61,466,711.60

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Solution

The fourth proportional to 207,010,686.80, 310,516,030.20 and 61,466,711.60 is: 92,200,067.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,010,686.80 : 310,516,030.20 = 61,466,711.60 : x
  2. Step 2: Convert to fraction form
    207,010,686.80/310,516,030.20 = 61,466,711.60/x
  3. Step 3: Cross multiply
    207,010,686.80x = 310,516,030.20 × 61,466,711.60
  4. Step 4: Simplify right side
    207,010,686.80x = 19,086,399,275,480,292
  5. Step 5: Solve for x
    x = 19,086,399,275,480,292/207,010,686.80
  6. Step 6: Final answer
    x = 92,200,067.40

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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.