Home / 31,506,956.20-47,331,293.10-30,302,356.60

Finding the Fourth Proportional to 31,506,956.20, 47,331,293.10 and 30,302,356.60

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Solution

The fourth proportional to 31,506,956.20, 47,331,293.10 and 30,302,356.60 is: 45,521,684.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,506,956.20 : 47,331,293.10 = 30,302,356.60 : x
  2. Step 2: Convert to fraction form
    31,506,956.20/47,331,293.10 = 30,302,356.60/x
  3. Step 3: Cross multiply
    31,506,956.20x = 47,331,293.10 × 30,302,356.60
  4. Step 4: Simplify right side
    31,506,956.20x = 1,434,249,721,855,319.50
  5. Step 5: Solve for x
    x = 1,434,249,721,855,319.50/31,506,956.20
  6. Step 6: Final answer
    x = 45,521,684.57

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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.