Home / 265,720,986.90-398,581,480.35-149,494,840.20

Finding the Fourth Proportional to 265,720,986.90, 398,581,480.35 and 149,494,840.20

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Solution

The fourth proportional to 265,720,986.90, 398,581,480.35 and 149,494,840.20 is: 224,242,260.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,720,986.90 : 398,581,480.35 = 149,494,840.20 : x
  2. Step 2: Convert to fraction form
    265,720,986.90/398,581,480.35 = 149,494,840.20/x
  3. Step 3: Cross multiply
    265,720,986.90x = 398,581,480.35 × 149,494,840.20
  4. Step 4: Simplify right side
    265,720,986.90x = 59,585,874,711,602,688
  5. Step 5: Solve for x
    x = 59,585,874,711,602,688/265,720,986.90
  6. Step 6: Final answer
    x = 224,242,260.30

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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.