Home / 423,438,705.75-634,911,436.77-164,351,253.75

Finding the Fourth Proportional to 423,438,705.75, 634,911,436.77 and 164,351,253.75

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Solution

The fourth proportional to 423,438,705.75, 634,911,436.77 and 164,351,253.75 is: 246,431,158.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    423,438,705.75 : 634,911,436.77 = 164,351,253.75 : x
  2. Step 2: Convert to fraction form
    423,438,705.75/634,911,436.77 = 164,351,253.75/x
  3. Step 3: Cross multiply
    423,438,705.75x = 634,911,436.77 × 164,351,253.75
  4. Step 4: Simplify right side
    423,438,705.75x = 104,348,490,653,363,344
  5. Step 5: Solve for x
    x = 104,348,490,653,363,344/423,438,705.75
  6. Step 6: Final answer
    x = 246,431,158.13

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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.