Home / 72,096,242.40-108,144,363.60-52,822,648.80

Finding the Fourth Proportional to 72,096,242.40, 108,144,363.60 and 52,822,648.80

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Solution

The fourth proportional to 72,096,242.40, 108,144,363.60 and 52,822,648.80 is: 79,233,973.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,096,242.40 : 108,144,363.60 = 52,822,648.80 : x
  2. Step 2: Convert to fraction form
    72,096,242.40/108,144,363.60 = 52,822,648.80/x
  3. Step 3: Cross multiply
    72,096,242.40x = 108,144,363.60 × 52,822,648.80
  4. Step 4: Simplify right side
    72,096,242.40x = 5,712,471,738,142,303
  5. Step 5: Solve for x
    x = 5,712,471,738,142,303/72,096,242.40
  6. Step 6: Final answer
    x = 79,233,973.20

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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.