Home / 85,766,445.30-128,637,226.35-25,175,853.30

Finding the Fourth Proportional to 85,766,445.30, 128,637,226.35 and 25,175,853.30

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Solution

The fourth proportional to 85,766,445.30, 128,637,226.35 and 25,175,853.30 is: 37,760,127.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,766,445.30 : 128,637,226.35 = 25,175,853.30 : x
  2. Step 2: Convert to fraction form
    85,766,445.30/128,637,226.35 = 25,175,853.30/x
  3. Step 3: Cross multiply
    85,766,445.30x = 128,637,226.35 × 25,175,853.30
  4. Step 4: Simplify right side
    85,766,445.30x = 3,238,551,939,506,494.50
  5. Step 5: Solve for x
    x = 3,238,551,939,506,494.50/85,766,445.30
  6. Step 6: Final answer
    x = 37,760,127.85

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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.