Home / 140,454,020.40-210,681,030.60-123,447,908.40

Finding the Fourth Proportional to 140,454,020.40, 210,681,030.60 and 123,447,908.40

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Solution

The fourth proportional to 140,454,020.40, 210,681,030.60 and 123,447,908.40 is: 185,171,862.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,454,020.40 : 210,681,030.60 = 123,447,908.40 : x
  2. Step 2: Convert to fraction form
    140,454,020.40/210,681,030.60 = 123,447,908.40/x
  3. Step 3: Cross multiply
    140,454,020.40x = 210,681,030.60 × 123,447,908.40
  4. Step 4: Simplify right side
    140,454,020.40x = 26,008,132,567,126,396
  5. Step 5: Solve for x
    x = 26,008,132,567,126,396/140,454,020.40
  6. Step 6: Final answer
    x = 185,171,862.60

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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.