Home / 85,145,873.20-127,718,809.80-37,370,129.20

Finding the Fourth Proportional to 85,145,873.20, 127,718,809.80 and 37,370,129.20

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Solution

The fourth proportional to 85,145,873.20, 127,718,809.80 and 37,370,129.20 is: 56,055,193.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,145,873.20 : 127,718,809.80 = 37,370,129.20 : x
  2. Step 2: Convert to fraction form
    85,145,873.20/127,718,809.80 = 37,370,129.20/x
  3. Step 3: Cross multiply
    85,145,873.20x = 127,718,809.80 × 37,370,129.20
  4. Step 4: Simplify right side
    85,145,873.20x = 4,772,868,423,496,226
  5. Step 5: Solve for x
    x = 4,772,868,423,496,226/85,145,873.20
  6. Step 6: Final answer
    x = 56,055,193.80

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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.