Home / 140,555,462.70-210,833,194.05-83,018,117.10

Finding the Fourth Proportional to 140,555,462.70, 210,833,194.05 and 83,018,117.10

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Solution

The fourth proportional to 140,555,462.70, 210,833,194.05 and 83,018,117.10 is: 124,527,175.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,555,462.70 : 210,833,194.05 = 83,018,117.10 : x
  2. Step 2: Convert to fraction form
    140,555,462.70/210,833,194.05 = 83,018,117.10/x
  3. Step 3: Cross multiply
    140,555,462.70x = 210,833,194.05 × 83,018,117.10
  4. Step 4: Simplify right side
    140,555,462.70x = 17,502,974,792,209,922
  5. Step 5: Solve for x
    x = 17,502,974,792,209,922/140,555,462.70
  6. Step 6: Final answer
    x = 124,527,175.65

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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.