Home / 112,123,032.60-168,184,548.90-73,380,983.70

Finding the Fourth Proportional to 112,123,032.60, 168,184,548.90 and 73,380,983.70

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Solution

The fourth proportional to 112,123,032.60, 168,184,548.90 and 73,380,983.70 is: 110,071,475.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,123,032.60 : 168,184,548.90 = 73,380,983.70 : x
  2. Step 2: Convert to fraction form
    112,123,032.60/168,184,548.90 = 73,380,983.70/x
  3. Step 3: Cross multiply
    112,123,032.60x = 168,184,548.90 × 73,380,983.70
  4. Step 4: Simplify right side
    112,123,032.60x = 12,341,547,641,422,754
  5. Step 5: Solve for x
    x = 12,341,547,641,422,754/112,123,032.60
  6. Step 6: Final answer
    x = 110,071,475.55

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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.