Home / 155,418,683.96-214,574,577.78-98,935,299.85

Finding the Fourth Proportional to 155,418,683.96, 214,574,577.78 and 98,935,299.85

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Solution

The fourth proportional to 155,418,683.96, 214,574,577.78 and 98,935,299.85 is: 136,592,330.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,418,683.96 : 214,574,577.78 = 98,935,299.85 : x
  2. Step 2: Convert to fraction form
    155,418,683.96/214,574,577.78 = 98,935,299.85/x
  3. Step 3: Cross multiply
    155,418,683.96x = 214,574,577.78 × 98,935,299.85
  4. Step 4: Simplify right side
    155,418,683.96x = 21,229,000,192,851,448
  5. Step 5: Solve for x
    x = 21,229,000,192,851,448/155,418,683.96
  6. Step 6: Final answer
    x = 136,592,330.16

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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.