Home / 144,146,867.72-216,248,120.28-47,076,479.12

Finding the Fourth Proportional to 144,146,867.72, 216,248,120.28 and 47,076,479.12

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Solution

The fourth proportional to 144,146,867.72, 216,248,120.28 and 47,076,479.12 is: 70,623,803.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,146,867.72 : 216,248,120.28 = 47,076,479.12 : x
  2. Step 2: Convert to fraction form
    144,146,867.72/216,248,120.28 = 47,076,479.12/x
  3. Step 3: Cross multiply
    144,146,867.72x = 216,248,120.28 × 47,076,479.12
  4. Step 4: Simplify right side
    144,146,867.72x = 10,180,200,119,100,668
  5. Step 5: Solve for x
    x = 10,180,200,119,100,668/144,146,867.72
  6. Step 6: Final answer
    x = 70,623,803.90

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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.