Home / 144,146,812.10-216,248,036.85-47,076,423.44

Finding the Fourth Proportional to 144,146,812.10, 216,248,036.85 and 47,076,423.44

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Solution

The fourth proportional to 144,146,812.10, 216,248,036.85 and 47,076,423.44 is: 70,623,720.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,146,812.10 : 216,248,036.85 = 47,076,423.44 : x
  2. Step 2: Convert to fraction form
    144,146,812.10/216,248,036.85 = 47,076,423.44/x
  3. Step 3: Cross multiply
    144,146,812.10x = 216,248,036.85 × 47,076,423.44
  4. Step 4: Simplify right side
    144,146,812.10x = 10,180,184,149,738,084
  5. Step 5: Solve for x
    x = 10,180,184,149,738,084/144,146,812.10
  6. Step 6: Final answer
    x = 70,623,720.37

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1.5x scale

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.