Home / 162,385,344.90-243,578,017.35-127,947,968.10

Finding the Fourth Proportional to 162,385,344.90, 243,578,017.35 and 127,947,968.10

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Solution

The fourth proportional to 162,385,344.90, 243,578,017.35 and 127,947,968.10 is: 191,921,952.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,385,344.90 : 243,578,017.35 = 127,947,968.10 : x
  2. Step 2: Convert to fraction form
    162,385,344.90/243,578,017.35 = 127,947,968.10/x
  3. Step 3: Cross multiply
    162,385,344.90x = 243,578,017.35 × 127,947,968.10
  4. Step 4: Simplify right side
    162,385,344.90x = 31,165,312,393,759,044
  5. Step 5: Solve for x
    x = 31,165,312,393,759,044/162,385,344.90
  6. Step 6: Final answer
    x = 191,921,952.15

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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.