Home / 104,358,901.60-156,538,352.40-66,063,656.80

Finding the Fourth Proportional to 104,358,901.60, 156,538,352.40 and 66,063,656.80

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Solution

The fourth proportional to 104,358,901.60, 156,538,352.40 and 66,063,656.80 is: 99,095,485.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,358,901.60 : 156,538,352.40 = 66,063,656.80 : x
  2. Step 2: Convert to fraction form
    104,358,901.60/156,538,352.40 = 66,063,656.80/x
  3. Step 3: Cross multiply
    104,358,901.60x = 156,538,352.40 × 66,063,656.80
  4. Step 4: Simplify right side
    104,358,901.60x = 10,341,495,988,991,056
  5. Step 5: Solve for x
    x = 10,341,495,988,991,056/104,358,901.60
  6. Step 6: Final answer
    x = 99,095,485.20

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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.