Home / 136,475,129.60-204,712,694.40-84,819,064.40

Finding the Fourth Proportional to 136,475,129.60, 204,712,694.40 and 84,819,064.40

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Solution

The fourth proportional to 136,475,129.60, 204,712,694.40 and 84,819,064.40 is: 127,228,596.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,475,129.60 : 204,712,694.40 = 84,819,064.40 : x
  2. Step 2: Convert to fraction form
    136,475,129.60/204,712,694.40 = 84,819,064.40/x
  3. Step 3: Cross multiply
    136,475,129.60x = 204,712,694.40 × 84,819,064.40
  4. Step 4: Simplify right side
    136,475,129.60x = 17,363,539,209,811,122
  5. Step 5: Solve for x
    x = 17,363,539,209,811,122/136,475,129.60
  6. Step 6: Final answer
    x = 127,228,596.60

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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.