Home / 213,459,598.16-320,186,016.12-67,891,058

Finding the Fourth Proportional to 213,459,598.16, 320,186,016.12 and 67,891,058

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Solution

The fourth proportional to 213,459,598.16, 320,186,016.12 and 67,891,058 is: 101,835,511.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,459,598.16 : 320,186,016.12 = 67,891,058 : x
  2. Step 2: Convert to fraction form
    213,459,598.16/320,186,016.12 = 67,891,058/x
  3. Step 3: Cross multiply
    213,459,598.16x = 320,186,016.12 × 67,891,058
  4. Step 4: Simplify right side
    213,459,598.16x = 21,737,767,391,191,856
  5. Step 5: Solve for x
    x = 21,737,767,391,191,856/213,459,598.16
  6. Step 6: Final answer
    x = 101,835,511.63

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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.