Home / 112,206,483.95-168,163,735.70-45,655,353.61

Finding the Fourth Proportional to 112,206,483.95, 168,163,735.70 and 45,655,353.61

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Solution

The fourth proportional to 112,206,483.95, 168,163,735.70 and 45,655,353.61 is: 68,423,628.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,206,483.95 : 168,163,735.70 = 45,655,353.61 : x
  2. Step 2: Convert to fraction form
    112,206,483.95/168,163,735.70 = 45,655,353.61/x
  3. Step 3: Cross multiply
    112,206,483.95x = 168,163,735.70 × 45,655,353.61
  4. Step 4: Simplify right side
    112,206,483.95x = 7,677,574,817,455,810
  5. Step 5: Solve for x
    x = 7,677,574,817,455,810/112,206,483.95
  6. Step 6: Final answer
    x = 68,423,628.90

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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.