Home / 223,985,446.65-309,084,132.57-124,861,809.45

Finding the Fourth Proportional to 223,985,446.65, 309,084,132.57 and 124,861,809.45

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Solution

The fourth proportional to 223,985,446.65, 309,084,132.57 and 124,861,809.45 is: 172,300,498.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,985,446.65 : 309,084,132.57 = 124,861,809.45 : x
  2. Step 2: Convert to fraction form
    223,985,446.65/309,084,132.57 = 124,861,809.45/x
  3. Step 3: Cross multiply
    223,985,446.65x = 309,084,132.57 × 124,861,809.45
  4. Step 4: Simplify right side
    223,985,446.65x = 38,592,804,064,973,880
  5. Step 5: Solve for x
    x = 38,592,804,064,973,880/223,985,446.65
  6. Step 6: Final answer
    x = 172,300,498.28

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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.