Home / 211,744,005.60-317,616,008.40-90,587,704.80

Finding the Fourth Proportional to 211,744,005.60, 317,616,008.40 and 90,587,704.80

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Solution

The fourth proportional to 211,744,005.60, 317,616,008.40 and 90,587,704.80 is: 135,881,557.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,744,005.60 : 317,616,008.40 = 90,587,704.80 : x
  2. Step 2: Convert to fraction form
    211,744,005.60/317,616,008.40 = 90,587,704.80/x
  3. Step 3: Cross multiply
    211,744,005.60x = 317,616,008.40 × 90,587,704.80
  4. Step 4: Simplify right side
    211,744,005.60x = 28,772,105,208,693,516
  5. Step 5: Solve for x
    x = 28,772,105,208,693,516/211,744,005.60
  6. Step 6: Final answer
    x = 135,881,557.20

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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.