Home / 142,507,698.60-213,593,586.30-106,563,916.20

Finding the Fourth Proportional to 142,507,698.60, 213,593,586.30 and 106,563,916.20

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Solution

The fourth proportional to 142,507,698.60, 213,593,586.30 and 106,563,916.20 is: 159,720,276.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,507,698.60 : 213,593,586.30 = 106,563,916.20 : x
  2. Step 2: Convert to fraction form
    142,507,698.60/213,593,586.30 = 106,563,916.20/x
  3. Step 3: Cross multiply
    142,507,698.60x = 213,593,586.30 × 106,563,916.20
  4. Step 4: Simplify right side
    142,507,698.60x = 22,761,369,031,330,668
  5. Step 5: Solve for x
    x = 22,761,369,031,330,668/142,507,698.60
  6. Step 6: Final answer
    x = 159,720,276.55

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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.