Home / 105,042,811.92-144,983,266.92-61,596,744.72

Finding the Fourth Proportional to 105,042,811.92, 144,983,266.92 and 61,596,744.72

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Solution

The fourth proportional to 105,042,811.92, 144,983,266.92 and 61,596,744.72 is: 85,017,690.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,042,811.92 : 144,983,266.92 = 61,596,744.72 : x
  2. Step 2: Convert to fraction form
    105,042,811.92/144,983,266.92 = 61,596,744.72/x
  3. Step 3: Cross multiply
    105,042,811.92x = 144,983,266.92 × 61,596,744.72
  4. Step 4: Simplify right side
    105,042,811.92x = 8,930,497,281,142,860
  5. Step 5: Solve for x
    x = 8,930,497,281,142,860/105,042,811.92
  6. Step 6: Final answer
    x = 85,017,690.58

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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.