Home / 102,410,386,369.72-153,614,729,303.52-80,044,934,519.68

Finding the Fourth Proportional to 102,410,386,369.72, 153,614,729,303.52 and 80,044,934,519.68

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Solution

The fourth proportional to 102,410,386,369.72, 153,614,729,303.52 and 80,044,934,519.68 is: 120,066,737,215.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,410,386,369.72 : 153,614,729,303.52 = 80,044,934,519.68 : x
  2. Step 2: Convert to fraction form
    102,410,386,369.72/153,614,729,303.52 = 80,044,934,519.68/x
  3. Step 3: Cross multiply
    102,410,386,369.72x = 153,614,729,303.52 × 80,044,934,519.68
  4. Step 4: Simplify right side
    102,410,386,369.72x = 12,296,080,948,358,625,099,776
  5. Step 5: Solve for x
    x = 12,296,080,948,358,625,099,776/102,410,386,369.72
  6. Step 6: Final answer
    x = 120,066,737,215.18

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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.