Home / 85,549,780.80-128,324,671.20-24,971,630.40

Finding the Fourth Proportional to 85,549,780.80, 128,324,671.20 and 24,971,630.40

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Solution

The fourth proportional to 85,549,780.80, 128,324,671.20 and 24,971,630.40 is: 37,457,445.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,549,780.80 : 128,324,671.20 = 24,971,630.40 : x
  2. Step 2: Convert to fraction form
    85,549,780.80/128,324,671.20 = 24,971,630.40/x
  3. Step 3: Cross multiply
    85,549,780.80x = 128,324,671.20 × 24,971,630.40
  4. Step 4: Simplify right side
    85,549,780.80x = 3,204,476,260,407,924.50
  5. Step 5: Solve for x
    x = 3,204,476,260,407,924.50/85,549,780.80
  6. Step 6: Final answer
    x = 37,457,445.60

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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.