Home / 55,442,008.79-76,506,876.19-30,319,160.42

Finding the Fourth Proportional to 55,442,008.79, 76,506,876.19 and 30,319,160.42

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Solution

The fourth proportional to 55,442,008.79, 76,506,876.19 and 30,319,160.42 is: 41,838,748.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,442,008.79 : 76,506,876.19 = 30,319,160.42 : x
  2. Step 2: Convert to fraction form
    55,442,008.79/76,506,876.19 = 30,319,160.42/x
  3. Step 3: Cross multiply
    55,442,008.79x = 76,506,876.19 × 30,319,160.42
  4. Step 4: Simplify right side
    55,442,008.79x = 2,319,624,252,277,360.50
  5. Step 5: Solve for x
    x = 2,319,624,252,277,360.50/55,442,008.79
  6. Step 6: Final answer
    x = 41,838,748.32

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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.