Home / 144,879,221.40-217,329,329.70-87,247,397.40

Finding the Fourth Proportional to 144,879,221.40, 217,329,329.70 and 87,247,397.40

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Solution

The fourth proportional to 144,879,221.40, 217,329,329.70 and 87,247,397.40 is: 130,877,417.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,879,221.40 : 217,329,329.70 = 87,247,397.40 : x
  2. Step 2: Convert to fraction form
    144,879,221.40/217,329,329.70 = 87,247,397.40/x
  3. Step 3: Cross multiply
    144,879,221.40x = 217,329,329.70 × 87,247,397.40
  4. Step 4: Simplify right side
    144,879,221.40x = 18,961,418,395,011,524
  5. Step 5: Solve for x
    x = 18,961,418,395,011,524/144,879,221.40
  6. Step 6: Final answer
    x = 130,877,417.84

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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.