Home / 138,943,822.50-208,152,666.81-92,746,392.66

Finding the Fourth Proportional to 138,943,822.50, 208,152,666.81 and 92,746,392.66

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Solution

The fourth proportional to 138,943,822.50, 208,152,666.81 and 92,746,392.66 is: 138,943,989.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,943,822.50 : 208,152,666.81 = 92,746,392.66 : x
  2. Step 2: Convert to fraction form
    138,943,822.50/208,152,666.81 = 92,746,392.66/x
  3. Step 3: Cross multiply
    138,943,822.50x = 208,152,666.81 × 92,746,392.66
  4. Step 4: Simplify right side
    138,943,822.50x = 19,305,408,969,186,408
  5. Step 5: Solve for x
    x = 19,305,408,969,186,408/138,943,822.50
  6. Step 6: Final answer
    x = 138,943,989.17

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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.