Home / 208,476,373.34-287,577,865.89-130,023,723.62

Finding the Fourth Proportional to 208,476,373.34, 287,577,865.89 and 130,023,723.62

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Solution

The fourth proportional to 208,476,373.34, 287,577,865.89 and 130,023,723.62 is: 179,358,189.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,476,373.34 : 287,577,865.89 = 130,023,723.62 : x
  2. Step 2: Convert to fraction form
    208,476,373.34/287,577,865.89 = 130,023,723.62/x
  3. Step 3: Cross multiply
    208,476,373.34x = 287,577,865.89 × 130,023,723.62
  4. Step 4: Simplify right side
    208,476,373.34x = 37,391,944,953,710,784
  5. Step 5: Solve for x
    x = 37,391,944,953,710,784/208,476,373.34
  6. Step 6: Final answer
    x = 179,358,189.87

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.