Home / 134,715,710.40-185,907,522.72-72,835,901.34

Finding the Fourth Proportional to 134,715,710.40, 185,907,522.72 and 72,835,901.34

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Solution

The fourth proportional to 134,715,710.40, 185,907,522.72 and 72,835,901.34 is: 100,513,458.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,715,710.40 : 185,907,522.72 = 72,835,901.34 : x
  2. Step 2: Convert to fraction form
    134,715,710.40/185,907,522.72 = 72,835,901.34/x
  3. Step 3: Cross multiply
    134,715,710.40x = 185,907,522.72 × 72,835,901.34
  4. Step 4: Simplify right side
    134,715,710.40x = 13,540,741,983,197,730
  5. Step 5: Solve for x
    x = 13,540,741,983,197,730/134,715,710.40
  6. Step 6: Final answer
    x = 100,513,458.62

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.