Home / 288,252,090.81-432,288,711.27-103,995,613.89

Finding the Fourth Proportional to 288,252,090.81, 432,288,711.27 and 103,995,613.89

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Solution

The fourth proportional to 288,252,090.81, 432,288,711.27 and 103,995,613.89 is: 155,961,158.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,252,090.81 : 432,288,711.27 = 103,995,613.89 : x
  2. Step 2: Convert to fraction form
    288,252,090.81/432,288,711.27 = 103,995,613.89/x
  3. Step 3: Cross multiply
    288,252,090.81x = 432,288,711.27 × 103,995,613.89
  4. Step 4: Simplify right side
    288,252,090.81x = 44,956,129,906,240,608
  5. Step 5: Solve for x
    x = 44,956,129,906,240,608/288,252,090.81
  6. Step 6: Final answer
    x = 155,961,158.10

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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.