Home / 151,427,281.60-227,140,922.40-90,811,806.40

Finding the Fourth Proportional to 151,427,281.60, 227,140,922.40 and 90,811,806.40

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Solution

The fourth proportional to 151,427,281.60, 227,140,922.40 and 90,811,806.40 is: 136,217,709.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,427,281.60 : 227,140,922.40 = 90,811,806.40 : x
  2. Step 2: Convert to fraction form
    151,427,281.60/227,140,922.40 = 90,811,806.40/x
  3. Step 3: Cross multiply
    151,427,281.60x = 227,140,922.40 × 90,811,806.40
  4. Step 4: Simplify right side
    151,427,281.60x = 20,627,077,470,506,224
  5. Step 5: Solve for x
    x = 20,627,077,470,506,224/151,427,281.60
  6. Step 6: Final answer
    x = 136,217,709.60

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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.