Home / 61,175,143.10-91,762,714.65-36,988,672.70

Finding the Fourth Proportional to 61,175,143.10, 91,762,714.65 and 36,988,672.70

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Solution

The fourth proportional to 61,175,143.10, 91,762,714.65 and 36,988,672.70 is: 55,483,009.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,175,143.10 : 91,762,714.65 = 36,988,672.70 : x
  2. Step 2: Convert to fraction form
    61,175,143.10/91,762,714.65 = 36,988,672.70/x
  3. Step 3: Cross multiply
    61,175,143.10x = 91,762,714.65 × 36,988,672.70
  4. Step 4: Simplify right side
    61,175,143.10x = 3,394,181,018,252,345.50
  5. Step 5: Solve for x
    x = 3,394,181,018,252,345.50/61,175,143.10
  6. Step 6: Final answer
    x = 55,483,009.05

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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.