Home / 84,577,688.40-126,866,532.60-74,499,992.40

Finding the Fourth Proportional to 84,577,688.40, 126,866,532.60 and 74,499,992.40

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Solution

The fourth proportional to 84,577,688.40, 126,866,532.60 and 74,499,992.40 is: 111,749,988.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,577,688.40 : 126,866,532.60 = 74,499,992.40 : x
  2. Step 2: Convert to fraction form
    84,577,688.40/126,866,532.60 = 74,499,992.40/x
  3. Step 3: Cross multiply
    84,577,688.40x = 126,866,532.60 × 74,499,992.40
  4. Step 4: Simplify right side
    84,577,688.40x = 9,451,555,714,514,352
  5. Step 5: Solve for x
    x = 9,451,555,714,514,352/84,577,688.40
  6. Step 6: Final answer
    x = 111,749,988.60

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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.