Home / 185,912,213.60-278,868,320.40-83,875,541.60

Finding the Fourth Proportional to 185,912,213.60, 278,868,320.40 and 83,875,541.60

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Solution

The fourth proportional to 185,912,213.60, 278,868,320.40 and 83,875,541.60 is: 125,813,312.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,912,213.60 : 278,868,320.40 = 83,875,541.60 : x
  2. Step 2: Convert to fraction form
    185,912,213.60/278,868,320.40 = 83,875,541.60/x
  3. Step 3: Cross multiply
    185,912,213.60x = 278,868,320.40 × 83,875,541.60
  4. Step 4: Simplify right side
    185,912,213.60x = 23,390,231,408,632,324
  5. Step 5: Solve for x
    x = 23,390,231,408,632,324/185,912,213.60
  6. Step 6: Final answer
    x = 125,813,312.40

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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.