Home / 86,226,088.80-129,339,133.20-55,615,087.20

Finding the Fourth Proportional to 86,226,088.80, 129,339,133.20 and 55,615,087.20

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Solution

The fourth proportional to 86,226,088.80, 129,339,133.20 and 55,615,087.20 is: 83,422,630.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,226,088.80 : 129,339,133.20 = 55,615,087.20 : x
  2. Step 2: Convert to fraction form
    86,226,088.80/129,339,133.20 = 55,615,087.20/x
  3. Step 3: Cross multiply
    86,226,088.80x = 129,339,133.20 × 55,615,087.20
  4. Step 4: Simplify right side
    86,226,088.80x = 7,193,207,171,290,416
  5. Step 5: Solve for x
    x = 7,193,207,171,290,416/86,226,088.80
  6. Step 6: Final answer
    x = 83,422,630.80

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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.