Home / 52,352,026.20-78,528,039.30-20,439,322.20

Finding the Fourth Proportional to 52,352,026.20, 78,528,039.30 and 20,439,322.20

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Solution

The fourth proportional to 52,352,026.20, 78,528,039.30 and 20,439,322.20 is: 30,658,983.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,352,026.20 : 78,528,039.30 = 20,439,322.20 : x
  2. Step 2: Convert to fraction form
    52,352,026.20/78,528,039.30 = 20,439,322.20/x
  3. Step 3: Cross multiply
    52,352,026.20x = 78,528,039.30 × 20,439,322.20
  4. Step 4: Simplify right side
    52,352,026.20x = 1,605,059,896,986,962.25
  5. Step 5: Solve for x
    x = 1,605,059,896,986,962.25/52,352,026.20
  6. Step 6: Final answer
    x = 30,658,983.30

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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.