Home / 91,852,150.80-137,778,226.20-84,837,129.60

Finding the Fourth Proportional to 91,852,150.80, 137,778,226.20 and 84,837,129.60

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Solution

The fourth proportional to 91,852,150.80, 137,778,226.20 and 84,837,129.60 is: 127,255,694.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,852,150.80 : 137,778,226.20 = 84,837,129.60 : x
  2. Step 2: Convert to fraction form
    91,852,150.80/137,778,226.20 = 84,837,129.60/x
  3. Step 3: Cross multiply
    91,852,150.80x = 137,778,226.20 × 84,837,129.60
  4. Step 4: Simplify right side
    91,852,150.80x = 11,688,709,232,187,514
  5. Step 5: Solve for x
    x = 11,688,709,232,187,514/91,852,150.80
  6. Step 6: Final answer
    x = 127,255,694.40

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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.