Home / 147,969,315.60-221,953,973.40-142,017,176.40

Finding the Fourth Proportional to 147,969,315.60, 221,953,973.40 and 142,017,176.40

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Solution

The fourth proportional to 147,969,315.60, 221,953,973.40 and 142,017,176.40 is: 213,025,764.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,969,315.60 : 221,953,973.40 = 142,017,176.40 : x
  2. Step 2: Convert to fraction form
    147,969,315.60/221,953,973.40 = 142,017,176.40/x
  3. Step 3: Cross multiply
    147,969,315.60x = 221,953,973.40 × 142,017,176.40
  4. Step 4: Simplify right side
    147,969,315.60x = 31,521,276,593,028,708
  5. Step 5: Solve for x
    x = 31,521,276,593,028,708/147,969,315.60
  6. Step 6: Final answer
    x = 213,025,764.60

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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.