Home / 52,205,440.10-78,308,160.15-21,972,352.10

Finding the Fourth Proportional to 52,205,440.10, 78,308,160.15 and 21,972,352.10

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Solution

The fourth proportional to 52,205,440.10, 78,308,160.15 and 21,972,352.10 is: 32,958,528.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,205,440.10 : 78,308,160.15 = 21,972,352.10 : x
  2. Step 2: Convert to fraction form
    52,205,440.10/78,308,160.15 = 21,972,352.10/x
  3. Step 3: Cross multiply
    52,205,440.10x = 78,308,160.15 × 21,972,352.10
  4. Step 4: Simplify right side
    52,205,440.10x = 1,720,614,467,118,989
  5. Step 5: Solve for x
    x = 1,720,614,467,118,989/52,205,440.10
  6. Step 6: Final answer
    x = 32,958,528.15

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Double scale
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Similar ratio
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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.