Home / 85,550,436.80-128,325,655.20-62,875,620.80

Finding the Fourth Proportional to 85,550,436.80, 128,325,655.20 and 62,875,620.80

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Solution

The fourth proportional to 85,550,436.80, 128,325,655.20 and 62,875,620.80 is: 94,313,431.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,550,436.80 : 128,325,655.20 = 62,875,620.80 : x
  2. Step 2: Convert to fraction form
    85,550,436.80/128,325,655.20 = 62,875,620.80/x
  3. Step 3: Cross multiply
    85,550,436.80x = 128,325,655.20 × 62,875,620.80
  4. Step 4: Simplify right side
    85,550,436.80x = 8,068,555,235,266,748
  5. Step 5: Solve for x
    x = 8,068,555,235,266,748/85,550,436.80
  6. Step 6: Final answer
    x = 94,313,431.20

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1.5x scale

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.