Home / 53,919,207.60-80,878,811.40-38,613,706.80

Finding the Fourth Proportional to 53,919,207.60, 80,878,811.40 and 38,613,706.80

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Solution

The fourth proportional to 53,919,207.60, 80,878,811.40 and 38,613,706.80 is: 57,920,560.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,919,207.60 : 80,878,811.40 = 38,613,706.80 : x
  2. Step 2: Convert to fraction form
    53,919,207.60/80,878,811.40 = 38,613,706.80/x
  3. Step 3: Cross multiply
    53,919,207.60x = 80,878,811.40 × 38,613,706.80
  4. Step 4: Simplify right side
    53,919,207.60x = 3,123,030,709,732,097.50
  5. Step 5: Solve for x
    x = 3,123,030,709,732,097.50/53,919,207.60
  6. Step 6: Final answer
    x = 57,920,560.20

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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.