Home / 66,117,719.60-99,176,579.40-47,883,388.40

Finding the Fourth Proportional to 66,117,719.60, 99,176,579.40 and 47,883,388.40

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Solution

The fourth proportional to 66,117,719.60, 99,176,579.40 and 47,883,388.40 is: 71,825,082.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,117,719.60 : 99,176,579.40 = 47,883,388.40 : x
  2. Step 2: Convert to fraction form
    66,117,719.60/99,176,579.40 = 47,883,388.40/x
  3. Step 3: Cross multiply
    66,117,719.60x = 99,176,579.40 × 47,883,388.40
  4. Step 4: Simplify right side
    66,117,719.60x = 4,748,910,671,593,639
  5. Step 5: Solve for x
    x = 4,748,910,671,593,639/66,117,719.60
  6. Step 6: Final answer
    x = 71,825,082.60

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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.