Home / 52,290,823.19-78,445,811.48-21,568,643.24

Finding the Fourth Proportional to 52,290,823.19, 78,445,811.48 and 21,568,643.24

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Solution

The fourth proportional to 52,290,823.19, 78,445,811.48 and 21,568,643.24 is: 32,356,915.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,290,823.19 : 78,445,811.48 = 21,568,643.24 : x
  2. Step 2: Convert to fraction form
    52,290,823.19/78,445,811.48 = 21,568,643.24/x
  3. Step 3: Cross multiply
    52,290,823.19x = 78,445,811.48 × 21,568,643.24
  4. Step 4: Simplify right side
    52,290,823.19x = 1,691,969,721,484,416.25
  5. Step 5: Solve for x
    x = 1,691,969,721,484,416.25/52,290,823.19
  6. Step 6: Final answer
    x = 32,356,915.00

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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.