Home / 250,447,275.80-345,617,647.20-138,938,119.52

Finding the Fourth Proportional to 250,447,275.80, 345,617,647.20 and 138,938,119.52

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Solution

The fourth proportional to 250,447,275.80, 345,617,647.20 and 138,938,119.52 is: 191,734,830.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,447,275.80 : 345,617,647.20 = 138,938,119.52 : x
  2. Step 2: Convert to fraction form
    250,447,275.80/345,617,647.20 = 138,938,119.52/x
  3. Step 3: Cross multiply
    250,447,275.80x = 345,617,647.20 × 138,938,119.52
  4. Step 4: Simplify right side
    250,447,275.80x = 48,019,465,974,894,792
  5. Step 5: Solve for x
    x = 48,019,465,974,894,792/250,447,275.80
  6. Step 6: Final answer
    x = 191,734,830.50

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.