Home / 191,909,385.60-287,438,925.60-166,400,217.60

Finding the Fourth Proportional to 191,909,385.60, 287,438,925.60 and 166,400,217.60

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Solution

The fourth proportional to 191,909,385.60, 287,438,925.60 and 166,400,217.60 is: 249,231,686.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,909,385.60 : 287,438,925.60 = 166,400,217.60 : x
  2. Step 2: Convert to fraction form
    191,909,385.60/287,438,925.60 = 166,400,217.60/x
  3. Step 3: Cross multiply
    191,909,385.60x = 287,438,925.60 × 166,400,217.60
  4. Step 4: Simplify right side
    191,909,385.60x = 47,829,899,766,550,216
  5. Step 5: Solve for x
    x = 47,829,899,766,550,216/191,909,385.60
  6. Step 6: Final answer
    x = 249,231,686.18

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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.