Home / 252,490,774.80-378,547,205.40-137,605,040.40

Finding the Fourth Proportional to 252,490,774.80, 378,547,205.40 and 137,605,040.40

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Solution

The fourth proportional to 252,490,774.80, 378,547,205.40 and 137,605,040.40 is: 206,304,580.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,490,774.80 : 378,547,205.40 = 137,605,040.40 : x
  2. Step 2: Convert to fraction form
    252,490,774.80/378,547,205.40 = 137,605,040.40/x
  3. Step 3: Cross multiply
    252,490,774.80x = 378,547,205.40 × 137,605,040.40
  4. Step 4: Simplify right side
    252,490,774.80x = 52,090,003,492,374,096
  5. Step 5: Solve for x
    x = 52,090,003,492,374,096/252,490,774.80
  6. Step 6: Final answer
    x = 206,304,580.96

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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.