Home / 242,436,665.03-363,578,373.95-86,986,998.68

Finding the Fourth Proportional to 242,436,665.03, 363,578,373.95 and 86,986,998.68

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Solution

The fourth proportional to 242,436,665.03, 363,578,373.95 and 86,986,998.68 is: 130,453,005.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,436,665.03 : 363,578,373.95 = 86,986,998.68 : x
  2. Step 2: Convert to fraction form
    242,436,665.03/363,578,373.95 = 86,986,998.68/x
  3. Step 3: Cross multiply
    242,436,665.03x = 363,578,373.95 × 86,986,998.68
  4. Step 4: Simplify right side
    242,436,665.03x = 31,626,591,532,612,368
  5. Step 5: Solve for x
    x = 31,626,591,532,612,368/242,436,665.03
  6. Step 6: Final answer
    x = 130,453,005.24

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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.