Home / 123,700,642.80-170,702,210.10-68,700,042.24

Finding the Fourth Proportional to 123,700,642.80, 170,702,210.10 and 68,700,042.24

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Solution

The fourth proportional to 123,700,642.80, 170,702,210.10 and 68,700,042.24 is: 94,803,460.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,700,642.80 : 170,702,210.10 = 68,700,042.24 : x
  2. Step 2: Convert to fraction form
    123,700,642.80/170,702,210.10 = 68,700,042.24/x
  3. Step 3: Cross multiply
    123,700,642.80x = 170,702,210.10 × 68,700,042.24
  4. Step 4: Simplify right side
    123,700,642.80x = 11,727,249,044,331,354
  5. Step 5: Solve for x
    x = 11,727,249,044,331,354/123,700,642.80
  6. Step 6: Final answer
    x = 94,803,460.83

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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.