Home / 166,475,454.80-249,545,220.60-75,664,216.40

Finding the Fourth Proportional to 166,475,454.80, 249,545,220.60 and 75,664,216.40

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Solution

The fourth proportional to 166,475,454.80, 249,545,220.60 and 75,664,216.40 is: 113,419,984.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,475,454.80 : 249,545,220.60 = 75,664,216.40 : x
  2. Step 2: Convert to fraction form
    166,475,454.80/249,545,220.60 = 75,664,216.40/x
  3. Step 3: Cross multiply
    166,475,454.80x = 249,545,220.60 × 75,664,216.40
  4. Step 4: Simplify right side
    166,475,454.80x = 18,881,643,573,064,140
  5. Step 5: Solve for x
    x = 18,881,643,573,064,140/166,475,454.80
  6. Step 6: Final answer
    x = 113,419,984.92

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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.