Home / 87,264,012.80-130,896,019.20-41,802,406.40

Finding the Fourth Proportional to 87,264,012.80, 130,896,019.20 and 41,802,406.40

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Solution

The fourth proportional to 87,264,012.80, 130,896,019.20 and 41,802,406.40 is: 62,703,609.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,264,012.80 : 130,896,019.20 = 41,802,406.40 : x
  2. Step 2: Convert to fraction form
    87,264,012.80/130,896,019.20 = 41,802,406.40/x
  3. Step 3: Cross multiply
    87,264,012.80x = 130,896,019.20 × 41,802,406.40
  4. Step 4: Simplify right side
    87,264,012.80x = 5,471,768,590,740,603
  5. Step 5: Solve for x
    x = 5,471,768,590,740,603/87,264,012.80
  6. Step 6: Final answer
    x = 62,703,609.60

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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.