Home / 140,961,952.70-211,442,929.05-102,698,200.70

Finding the Fourth Proportional to 140,961,952.70, 211,442,929.05 and 102,698,200.70

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Solution

The fourth proportional to 140,961,952.70, 211,442,929.05 and 102,698,200.70 is: 154,047,301.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,961,952.70 : 211,442,929.05 = 102,698,200.70 : x
  2. Step 2: Convert to fraction form
    140,961,952.70/211,442,929.05 = 102,698,200.70/x
  3. Step 3: Cross multiply
    140,961,952.70x = 211,442,929.05 × 102,698,200.70
  4. Step 4: Simplify right side
    140,961,952.70x = 21,714,808,364,172,764
  5. Step 5: Solve for x
    x = 21,714,808,364,172,764/140,961,952.70
  6. Step 6: Final answer
    x = 154,047,301.05

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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.