Home / 112,123,204.40-168,184,806.60-83,425,390.40

Finding the Fourth Proportional to 112,123,204.40, 168,184,806.60 and 83,425,390.40

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Solution

The fourth proportional to 112,123,204.40, 168,184,806.60 and 83,425,390.40 is: 125,138,085.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,123,204.40 : 168,184,806.60 = 83,425,390.40 : x
  2. Step 2: Convert to fraction form
    112,123,204.40/168,184,806.60 = 83,425,390.40/x
  3. Step 3: Cross multiply
    112,123,204.40x = 168,184,806.60 × 83,425,390.40
  4. Step 4: Simplify right side
    112,123,204.40x = 14,030,883,149,953,498
  5. Step 5: Solve for x
    x = 14,030,883,149,953,498/112,123,204.40
  6. Step 6: Final answer
    x = 125,138,085.60

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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.