Home / 155,689,227.58-214,855,619.16-86,079,102.52

Finding the Fourth Proportional to 155,689,227.58, 214,855,619.16 and 86,079,102.52

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Solution

The fourth proportional to 155,689,227.58, 214,855,619.16 and 86,079,102.52 is: 118,791,641.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,689,227.58 : 214,855,619.16 = 86,079,102.52 : x
  2. Step 2: Convert to fraction form
    155,689,227.58/214,855,619.16 = 86,079,102.52/x
  3. Step 3: Cross multiply
    155,689,227.58x = 214,855,619.16 × 86,079,102.52
  4. Step 4: Simplify right side
    155,689,227.58x = 18,494,578,868,671,716
  5. Step 5: Solve for x
    x = 18,494,578,868,671,716/155,689,227.58
  6. Step 6: Final answer
    x = 118,791,641.25

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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.