Home / 64,513,686.60-96,768,456.30-21,384,880.20

Finding the Fourth Proportional to 64,513,686.60, 96,768,456.30 and 21,384,880.20

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Solution

The fourth proportional to 64,513,686.60, 96,768,456.30 and 21,384,880.20 is: 32,076,632.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,513,686.60 : 96,768,456.30 = 21,384,880.20 : x
  2. Step 2: Convert to fraction form
    64,513,686.60/96,768,456.30 = 21,384,880.20/x
  3. Step 3: Cross multiply
    64,513,686.60x = 96,768,456.30 × 21,384,880.20
  4. Step 4: Simplify right side
    64,513,686.60x = 2,069,381,845,114,435
  5. Step 5: Solve for x
    x = 2,069,381,845,114,435/64,513,686.60
  6. Step 6: Final answer
    x = 32,076,632.95

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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.