Home / 126,017,130.60-188,647,782.30-74,872,823.40

Finding the Fourth Proportional to 126,017,130.60, 188,647,782.30 and 74,872,823.40

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Solution

The fourth proportional to 126,017,130.60, 188,647,782.30 and 74,872,823.40 is: 112,084,698.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,017,130.60 : 188,647,782.30 = 74,872,823.40 : x
  2. Step 2: Convert to fraction form
    126,017,130.60/188,647,782.30 = 74,872,823.40/x
  3. Step 3: Cross multiply
    126,017,130.60x = 188,647,782.30 × 74,872,823.40
  4. Step 4: Simplify right side
    126,017,130.60x = 14,124,592,088,949,548
  5. Step 5: Solve for x
    x = 14,124,592,088,949,548/126,017,130.60
  6. Step 6: Final answer
    x = 112,084,698.50

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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.