Home / 105,042,835.92-144,983,300.04-61,596,768.72

Finding the Fourth Proportional to 105,042,835.92, 144,983,300.04 and 61,596,768.72

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Solution

The fourth proportional to 105,042,835.92, 144,983,300.04 and 61,596,768.72 is: 85,017,723.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,042,835.92 : 144,983,300.04 = 61,596,768.72 : x
  2. Step 2: Convert to fraction form
    105,042,835.92/144,983,300.04 = 61,596,768.72/x
  3. Step 3: Cross multiply
    105,042,835.92x = 144,983,300.04 × 61,596,768.72
  4. Step 4: Simplify right side
    105,042,835.92x = 8,930,502,800,826,246
  5. Step 5: Solve for x
    x = 8,930,502,800,826,246/105,042,835.92
  6. Step 6: Final answer
    x = 85,017,723.70

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.