Home / 136,475,415.60-204,713,123.40-84,819,350.40

Finding the Fourth Proportional to 136,475,415.60, 204,713,123.40 and 84,819,350.40

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Solution

The fourth proportional to 136,475,415.60, 204,713,123.40 and 84,819,350.40 is: 127,229,025.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,475,415.60 : 204,713,123.40 = 84,819,350.40 : x
  2. Step 2: Convert to fraction form
    136,475,415.60/204,713,123.40 = 84,819,350.40/x
  3. Step 3: Cross multiply
    136,475,415.60x = 204,713,123.40 × 84,819,350.40
  4. Step 4: Simplify right side
    136,475,415.60x = 17,363,634,145,143,042
  5. Step 5: Solve for x
    x = 17,363,634,145,143,042/136,475,415.60
  6. Step 6: Final answer
    x = 127,229,025.60

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1.5x scale

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.