Home / 102,803,005.78-154,189,340.46-30,000,238.88

Finding the Fourth Proportional to 102,803,005.78, 154,189,340.46 and 30,000,238.88

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Solution

The fourth proportional to 102,803,005.78, 154,189,340.46 and 30,000,238.88 is: 44,995,931.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,803,005.78 : 154,189,340.46 = 30,000,238.88 : x
  2. Step 2: Convert to fraction form
    102,803,005.78/154,189,340.46 = 30,000,238.88/x
  3. Step 3: Cross multiply
    102,803,005.78x = 154,189,340.46 × 30,000,238.88
  4. Step 4: Simplify right side
    102,803,005.78x = 4,625,717,046,549,649
  5. Step 5: Solve for x
    x = 4,625,717,046,549,649/102,803,005.78
  6. Step 6: Final answer
    x = 44,995,931.89

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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.