Home / 140,233,422.40-210,350,133.60-79,767,246.40

Finding the Fourth Proportional to 140,233,422.40, 210,350,133.60 and 79,767,246.40

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Solution

The fourth proportional to 140,233,422.40, 210,350,133.60 and 79,767,246.40 is: 119,650,869.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,233,422.40 : 210,350,133.60 = 79,767,246.40 : x
  2. Step 2: Convert to fraction form
    140,233,422.40/210,350,133.60 = 79,767,246.40/x
  3. Step 3: Cross multiply
    140,233,422.40x = 210,350,133.60 × 79,767,246.40
  4. Step 4: Simplify right side
    140,233,422.40x = 16,779,050,937,144,120
  5. Step 5: Solve for x
    x = 16,779,050,937,144,120/140,233,422.40
  6. Step 6: Final answer
    x = 119,650,869.60

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1.5x scale

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.