Home / 210,935,694.20-316,403,541.30-209,592,001.40

Finding the Fourth Proportional to 210,935,694.20, 316,403,541.30 and 209,592,001.40

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Solution

The fourth proportional to 210,935,694.20, 316,403,541.30 and 209,592,001.40 is: 314,388,002.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,935,694.20 : 316,403,541.30 = 209,592,001.40 : x
  2. Step 2: Convert to fraction form
    210,935,694.20/316,403,541.30 = 209,592,001.40/x
  3. Step 3: Cross multiply
    210,935,694.20x = 316,403,541.30 × 209,592,001.40
  4. Step 4: Simplify right side
    210,935,694.20x = 66,315,651,471,114,560
  5. Step 5: Solve for x
    x = 66,315,651,471,114,560/210,935,694.20
  6. Step 6: Final answer
    x = 314,388,002.10

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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.