Home / 115,000,502.88-171,976,807.44-85,874,795.04

Finding the Fourth Proportional to 115,000,502.88, 171,976,807.44 and 85,874,795.04

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Solution

The fourth proportional to 115,000,502.88, 171,976,807.44 and 85,874,795.04 is: 128,420,943.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,000,502.88 : 171,976,807.44 = 85,874,795.04 : x
  2. Step 2: Convert to fraction form
    115,000,502.88/171,976,807.44 = 85,874,795.04/x
  3. Step 3: Cross multiply
    115,000,502.88x = 171,976,807.44 × 85,874,795.04
  4. Step 4: Simplify right side
    115,000,502.88x = 14,768,473,090,543,548
  5. Step 5: Solve for x
    x = 14,768,473,090,543,548/115,000,502.88
  6. Step 6: Final answer
    x = 128,420,943.57

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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.