Home / 134,786,947.60-202,180,421.40-66,615,533.20

Finding the Fourth Proportional to 134,786,947.60, 202,180,421.40 and 66,615,533.20

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Solution

The fourth proportional to 134,786,947.60, 202,180,421.40 and 66,615,533.20 is: 99,923,299.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,786,947.60 : 202,180,421.40 = 66,615,533.20 : x
  2. Step 2: Convert to fraction form
    134,786,947.60/202,180,421.40 = 66,615,533.20/x
  3. Step 3: Cross multiply
    134,786,947.60x = 202,180,421.40 × 66,615,533.20
  4. Step 4: Simplify right side
    134,786,947.60x = 13,468,356,574,161,692
  5. Step 5: Solve for x
    x = 13,468,356,574,161,692/134,786,947.60
  6. Step 6: Final answer
    x = 99,923,299.80

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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.