Home / 91,852,220.80-137,778,331.20-84,837,199.60

Finding the Fourth Proportional to 91,852,220.80, 137,778,331.20 and 84,837,199.60

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Solution

The fourth proportional to 91,852,220.80, 137,778,331.20 and 84,837,199.60 is: 127,255,799.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,852,220.80 : 137,778,331.20 = 84,837,199.60 : x
  2. Step 2: Convert to fraction form
    91,852,220.80/137,778,331.20 = 84,837,199.60/x
  3. Step 3: Cross multiply
    91,852,220.80x = 137,778,331.20 × 84,837,199.60
  4. Step 4: Simplify right side
    91,852,220.80x = 11,688,727,784,569,306
  5. Step 5: Solve for x
    x = 11,688,727,784,569,306/91,852,220.80
  6. Step 6: Final answer
    x = 127,255,799.40

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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.