Home / 218,313,482.60-327,470,223.90-215,443,701.20

Finding the Fourth Proportional to 218,313,482.60, 327,470,223.90 and 215,443,701.20

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Solution

The fourth proportional to 218,313,482.60, 327,470,223.90 and 215,443,701.20 is: 323,165,551.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,313,482.60 : 327,470,223.90 = 215,443,701.20 : x
  2. Step 2: Convert to fraction form
    218,313,482.60/327,470,223.90 = 215,443,701.20/x
  3. Step 3: Cross multiply
    218,313,482.60x = 327,470,223.90 × 215,443,701.20
  4. Step 4: Simplify right side
    218,313,482.60x = 70,551,397,069,808,688
  5. Step 5: Solve for x
    x = 70,551,397,069,808,688/218,313,482.60
  6. Step 6: Final answer
    x = 323,165,551.80

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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.