Home / 248,146,001.70-372,219,002.55-209,403,952.80

Finding the Fourth Proportional to 248,146,001.70, 372,219,002.55 and 209,403,952.80

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Solution

The fourth proportional to 248,146,001.70, 372,219,002.55 and 209,403,952.80 is: 314,105,929.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,146,001.70 : 372,219,002.55 = 209,403,952.80 : x
  2. Step 2: Convert to fraction form
    248,146,001.70/372,219,002.55 = 209,403,952.80/x
  3. Step 3: Cross multiply
    248,146,001.70x = 372,219,002.55 × 209,403,952.80
  4. Step 4: Simplify right side
    248,146,001.70x = 77,944,130,441,243,280
  5. Step 5: Solve for x
    x = 77,944,130,441,243,280/248,146,001.70
  6. Step 6: Final answer
    x = 314,105,929.20

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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.