Home / 213,459,600.16-320,186,019.12-67,891,060

Finding the Fourth Proportional to 213,459,600.16, 320,186,019.12 and 67,891,060

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Solution

The fourth proportional to 213,459,600.16, 320,186,019.12 and 67,891,060 is: 101,835,514.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,459,600.16 : 320,186,019.12 = 67,891,060 : x
  2. Step 2: Convert to fraction form
    213,459,600.16/320,186,019.12 = 67,891,060/x
  3. Step 3: Cross multiply
    213,459,600.16x = 320,186,019.12 × 67,891,060
  4. Step 4: Simplify right side
    213,459,600.16x = 21,737,768,235,237,068
  5. Step 5: Solve for x
    x = 21,737,768,235,237,068/213,459,600.16
  6. Step 6: Final answer
    x = 101,835,514.63

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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.