Home / 64,448,009.20-96,672,013.80-38,967,612.40

Finding the Fourth Proportional to 64,448,009.20, 96,672,013.80 and 38,967,612.40

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Solution

The fourth proportional to 64,448,009.20, 96,672,013.80 and 38,967,612.40 is: 58,451,418.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,448,009.20 : 96,672,013.80 = 38,967,612.40 : x
  2. Step 2: Convert to fraction form
    64,448,009.20/96,672,013.80 = 38,967,612.40/x
  3. Step 3: Cross multiply
    64,448,009.20x = 96,672,013.80 × 38,967,612.40
  4. Step 4: Simplify right side
    64,448,009.20x = 3,767,077,563,685,851
  5. Step 5: Solve for x
    x = 3,767,077,563,685,851/64,448,009.20
  6. Step 6: Final answer
    x = 58,451,418.60

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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.