Home / 82,947,392.60-124,421,088.90-25,448,538.20

Finding the Fourth Proportional to 82,947,392.60, 124,421,088.90 and 25,448,538.20

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Solution

The fourth proportional to 82,947,392.60, 124,421,088.90 and 25,448,538.20 is: 38,172,807.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,947,392.60 : 124,421,088.90 = 25,448,538.20 : x
  2. Step 2: Convert to fraction form
    82,947,392.60/124,421,088.90 = 25,448,538.20/x
  3. Step 3: Cross multiply
    82,947,392.60x = 124,421,088.90 × 25,448,538.20
  4. Step 4: Simplify right side
    82,947,392.60x = 3,166,334,833,757,246
  5. Step 5: Solve for x
    x = 3,166,334,833,757,246/82,947,392.60
  6. Step 6: Final answer
    x = 38,172,807.30

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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.