Home / 102,967,643.80-154,449,104.10-51,835,931.80

Finding the Fourth Proportional to 102,967,643.80, 154,449,104.10 and 51,835,931.80

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Solution

The fourth proportional to 102,967,643.80, 154,449,104.10 and 51,835,931.80 is: 77,752,708.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,967,643.80 : 154,449,104.10 = 51,835,931.80 : x
  2. Step 2: Convert to fraction form
    102,967,643.80/154,449,104.10 = 51,835,931.80/x
  3. Step 3: Cross multiply
    102,967,643.80x = 154,449,104.10 × 51,835,931.80
  4. Step 4: Simplify right side
    102,967,643.80x = 8,006,013,226,698,700
  5. Step 5: Solve for x
    x = 8,006,013,226,698,700/102,967,643.80
  6. Step 6: Final answer
    x = 77,752,708.82

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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.