Home / 106,315,700.17-146,715,765.10-57,423,128.17

Finding the Fourth Proportional to 106,315,700.17, 146,715,765.10 and 57,423,128.17

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Solution

The fourth proportional to 106,315,700.17, 146,715,765.10 and 57,423,128.17 is: 79,243,970.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,315,700.17 : 146,715,765.10 = 57,423,128.17 : x
  2. Step 2: Convert to fraction form
    106,315,700.17/146,715,765.10 = 57,423,128.17/x
  3. Step 3: Cross multiply
    106,315,700.17x = 146,715,765.10 × 57,423,128.17
  4. Step 4: Simplify right side
    106,315,700.17x = 8,424,878,183,163,334
  5. Step 5: Solve for x
    x = 8,424,878,183,163,334/106,315,700.17
  6. Step 6: Final answer
    x = 79,243,970.27

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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.