Home / 140,093,812.40-209,573,848.20-123,087,700.40

Finding the Fourth Proportional to 140,093,812.40, 209,573,848.20 and 123,087,700.40

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Solution

The fourth proportional to 140,093,812.40, 209,573,848.20 and 123,087,700.40 is: 184,133,493.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,093,812.40 : 209,573,848.20 = 123,087,700.40 : x
  2. Step 2: Convert to fraction form
    140,093,812.40/209,573,848.20 = 123,087,700.40/x
  3. Step 3: Cross multiply
    140,093,812.40x = 209,573,848.20 × 123,087,700.40
  4. Step 4: Simplify right side
    140,093,812.40x = 25,795,963,038,916,680
  5. Step 5: Solve for x
    x = 25,795,963,038,916,680/140,093,812.40
  6. Step 6: Final answer
    x = 184,133,493.10

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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.