Home / 135,191,963.60-186,564,959.16-73,312,285.52

Finding the Fourth Proportional to 135,191,963.60, 186,564,959.16 and 73,312,285.52

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Solution

The fourth proportional to 135,191,963.60, 186,564,959.16 and 73,312,285.52 is: 101,170,980.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,191,963.60 : 186,564,959.16 = 73,312,285.52 : x
  2. Step 2: Convert to fraction form
    135,191,963.60/186,564,959.16 = 73,312,285.52/x
  3. Step 3: Cross multiply
    135,191,963.60x = 186,564,959.16 × 73,312,285.52
  4. Step 4: Simplify right side
    135,191,963.60x = 13,677,503,553,965,058
  5. Step 5: Solve for x
    x = 13,677,503,553,965,058/135,191,963.60
  6. Step 6: Final answer
    x = 101,170,980.80

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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.