Home / 142,575,165.20-213,484,834.20-112,342,077.20

Finding the Fourth Proportional to 142,575,165.20, 213,484,834.20 and 112,342,077.20

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Solution

The fourth proportional to 142,575,165.20, 213,484,834.20 and 112,342,077.20 is: 168,215,338.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,575,165.20 : 213,484,834.20 = 112,342,077.20 : x
  2. Step 2: Convert to fraction form
    142,575,165.20/213,484,834.20 = 112,342,077.20/x
  3. Step 3: Cross multiply
    142,575,165.20x = 213,484,834.20 × 112,342,077.20
  4. Step 4: Simplify right side
    142,575,165.20x = 23,983,329,724,725,600
  5. Step 5: Solve for x
    x = 23,983,329,724,725,600/142,575,165.20
  6. Step 6: Final answer
    x = 168,215,338.84

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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.