Home / 211,805,142.91-292,298,590.07-117,721,165.93

Finding the Fourth Proportional to 211,805,142.91, 292,298,590.07 and 117,721,165.93

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Solution

The fourth proportional to 211,805,142.91, 292,298,590.07 and 117,721,165.93 is: 162,459,373.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,805,142.91 : 292,298,590.07 = 117,721,165.93 : x
  2. Step 2: Convert to fraction form
    211,805,142.91/292,298,590.07 = 117,721,165.93/x
  3. Step 3: Cross multiply
    211,805,142.91x = 292,298,590.07 × 117,721,165.93
  4. Step 4: Simplify right side
    211,805,142.91x = 34,409,730,821,857,624
  5. Step 5: Solve for x
    x = 34,409,730,821,857,624/211,805,142.91
  6. Step 6: Final answer
    x = 162,459,373.50

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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.