Home / 140,187,114.90-210,280,672.35-79,720,938.90

Finding the Fourth Proportional to 140,187,114.90, 210,280,672.35 and 79,720,938.90

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Solution

The fourth proportional to 140,187,114.90, 210,280,672.35 and 79,720,938.90 is: 119,581,408.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,187,114.90 : 210,280,672.35 = 79,720,938.90 : x
  2. Step 2: Convert to fraction form
    140,187,114.90/210,280,672.35 = 79,720,938.90/x
  3. Step 3: Cross multiply
    140,187,114.90x = 210,280,672.35 × 79,720,938.90
  4. Step 4: Simplify right side
    140,187,114.90x = 16,763,772,632,265,270
  5. Step 5: Solve for x
    x = 16,763,772,632,265,270/140,187,114.90
  6. Step 6: Final answer
    x = 119,581,408.35

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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.