Home / 99,009,044.70-136,630,364.67-54,953,475.18

Finding the Fourth Proportional to 99,009,044.70, 136,630,364.67 and 54,953,475.18

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Solution

The fourth proportional to 99,009,044.70, 136,630,364.67 and 54,953,475.18 is: 75,834,620.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,009,044.70 : 136,630,364.67 = 54,953,475.18 : x
  2. Step 2: Convert to fraction form
    99,009,044.70/136,630,364.67 = 54,953,475.18/x
  3. Step 3: Cross multiply
    99,009,044.70x = 136,630,364.67 × 54,953,475.18
  4. Step 4: Simplify right side
    99,009,044.70x = 7,508,313,353,727,193
  5. Step 5: Solve for x
    x = 7,508,313,353,727,193/99,009,044.70
  6. Step 6: Final answer
    x = 75,834,620.73

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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.