Home / 64,383,661.60-96,575,492.40-21,259,520.80

Finding the Fourth Proportional to 64,383,661.60, 96,575,492.40 and 21,259,520.80

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Solution

The fourth proportional to 64,383,661.60, 96,575,492.40 and 21,259,520.80 is: 31,889,281.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,383,661.60 : 96,575,492.40 = 21,259,520.80 : x
  2. Step 2: Convert to fraction form
    64,383,661.60/96,575,492.40 = 21,259,520.80/x
  3. Step 3: Cross multiply
    64,383,661.60x = 96,575,492.40 × 21,259,520.80
  4. Step 4: Simplify right side
    64,383,661.60x = 2,053,148,689,448,042
  5. Step 5: Solve for x
    x = 2,053,148,689,448,042/64,383,661.60
  6. Step 6: Final answer
    x = 31,889,281.20

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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.