Home / 208,475,864.64-312,716,204.28-62,910,686.88

Finding the Fourth Proportional to 208,475,864.64, 312,716,204.28 and 62,910,686.88

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Solution

The fourth proportional to 208,475,864.64, 312,716,204.28 and 62,910,686.88 is: 94,366,756.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,475,864.64 : 312,716,204.28 = 62,910,686.88 : x
  2. Step 2: Convert to fraction form
    208,475,864.64/312,716,204.28 = 62,910,686.88/x
  3. Step 3: Cross multiply
    208,475,864.64x = 312,716,204.28 × 62,910,686.88
  4. Step 4: Simplify right side
    208,475,864.64x = 19,673,191,209,761,196
  5. Step 5: Solve for x
    x = 19,673,191,209,761,196/208,475,864.64
  6. Step 6: Final answer
    x = 94,366,756.76

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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.