Home / 66,919,392.60-100,155,140.10-46,764,000.60

Finding the Fourth Proportional to 66,919,392.60, 100,155,140.10 and 46,764,000.60

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Solution

The fourth proportional to 66,919,392.60, 100,155,140.10 and 46,764,000.60 is: 69,989,503.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,919,392.60 : 100,155,140.10 = 46,764,000.60 : x
  2. Step 2: Convert to fraction form
    66,919,392.60/100,155,140.10 = 46,764,000.60/x
  3. Step 3: Cross multiply
    66,919,392.60x = 100,155,140.10 × 46,764,000.60
  4. Step 4: Simplify right side
    66,919,392.60x = 4,683,655,031,729,484
  5. Step 5: Solve for x
    x = 4,683,655,031,729,484/66,919,392.60
  6. Step 6: Final answer
    x = 69,989,503.04

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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.