Home / 85,834,872.30-128,752,308.45-37,335,960.30

Finding the Fourth Proportional to 85,834,872.30, 128,752,308.45 and 37,335,960.30

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Solution

The fourth proportional to 85,834,872.30, 128,752,308.45 and 37,335,960.30 is: 56,003,940.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,834,872.30 : 128,752,308.45 = 37,335,960.30 : x
  2. Step 2: Convert to fraction form
    85,834,872.30/128,752,308.45 = 37,335,960.30/x
  3. Step 3: Cross multiply
    85,834,872.30x = 128,752,308.45 × 37,335,960.30
  4. Step 4: Simplify right side
    85,834,872.30x = 4,807,091,076,822,554
  5. Step 5: Solve for x
    x = 4,807,091,076,822,554/85,834,872.30
  6. Step 6: Final answer
    x = 56,003,940.45

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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.