Home / 338,971,546.60-508,457,319.90-112,036,762.60

Finding the Fourth Proportional to 338,971,546.60, 508,457,319.90 and 112,036,762.60

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Solution

The fourth proportional to 338,971,546.60, 508,457,319.90 and 112,036,762.60 is: 168,055,143.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    338,971,546.60 : 508,457,319.90 = 112,036,762.60 : x
  2. Step 2: Convert to fraction form
    338,971,546.60/508,457,319.90 = 112,036,762.60/x
  3. Step 3: Cross multiply
    338,971,546.60x = 508,457,319.90 × 112,036,762.60
  4. Step 4: Simplify right side
    338,971,546.60x = 56,965,912,041,868,552
  5. Step 5: Solve for x
    x = 56,965,912,041,868,552/338,971,546.60
  6. Step 6: Final answer
    x = 168,055,143.90

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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.