Home / 421,864,217.10-632,796,325.65-145,514,897.10

Finding the Fourth Proportional to 421,864,217.10, 632,796,325.65 and 145,514,897.10

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Solution

The fourth proportional to 421,864,217.10, 632,796,325.65 and 145,514,897.10 is: 218,272,345.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    421,864,217.10 : 632,796,325.65 = 145,514,897.10 : x
  2. Step 2: Convert to fraction form
    421,864,217.10/632,796,325.65 = 145,514,897.10/x
  3. Step 3: Cross multiply
    421,864,217.10x = 632,796,325.65 × 145,514,897.10
  4. Step 4: Simplify right side
    421,864,217.10x = 92,081,292,212,217,840
  5. Step 5: Solve for x
    x = 92,081,292,212,217,840/421,864,217.10
  6. Step 6: Final answer
    x = 218,272,345.65

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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.