Home / 152,053,523.30-209,838,288.74-85,972,602.80

Finding the Fourth Proportional to 152,053,523.30, 209,838,288.74 and 85,972,602.80

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Solution

The fourth proportional to 152,053,523.30, 209,838,288.74 and 85,972,602.80 is: 118,644,694.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,053,523.30 : 209,838,288.74 = 85,972,602.80 : x
  2. Step 2: Convert to fraction form
    152,053,523.30/209,838,288.74 = 85,972,602.80/x
  3. Step 3: Cross multiply
    152,053,523.30x = 209,838,288.74 × 85,972,602.80
  4. Step 4: Simplify right side
    152,053,523.30x = 18,040,343,850,075,732
  5. Step 5: Solve for x
    x = 18,040,343,850,075,732/152,053,523.30
  6. Step 6: Final answer
    x = 118,644,694.70

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.