Home / 47,289,827.20-70,934,740.80-31,134,020.80

Finding the Fourth Proportional to 47,289,827.20, 70,934,740.80 and 31,134,020.80

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Solution

The fourth proportional to 47,289,827.20, 70,934,740.80 and 31,134,020.80 is: 46,701,031.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,289,827.20 : 70,934,740.80 = 31,134,020.80 : x
  2. Step 2: Convert to fraction form
    47,289,827.20/70,934,740.80 = 31,134,020.80/x
  3. Step 3: Cross multiply
    47,289,827.20x = 70,934,740.80 × 31,134,020.80
  4. Step 4: Simplify right side
    47,289,827.20x = 2,208,483,695,509,808.50
  5. Step 5: Solve for x
    x = 2,208,483,695,509,808.50/47,289,827.20
  6. Step 6: Final answer
    x = 46,701,031.20

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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.