Home / 155,663,395.74-214,805,249.61-89,573,226.91

Finding the Fourth Proportional to 155,663,395.74, 214,805,249.61 and 89,573,226.91

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Solution

The fourth proportional to 155,663,395.74, 214,805,249.61 and 89,573,226.91 is: 123,605,162.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,663,395.74 : 214,805,249.61 = 89,573,226.91 : x
  2. Step 2: Convert to fraction form
    155,663,395.74/214,805,249.61 = 89,573,226.91/x
  3. Step 3: Cross multiply
    155,663,395.74x = 214,805,249.61 × 89,573,226.91
  4. Step 4: Simplify right side
    155,663,395.74x = 19,240,799,364,407,104
  5. Step 5: Solve for x
    x = 19,240,799,364,407,104/155,663,395.74
  6. Step 6: Final answer
    x = 123,605,162.75

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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.