Home / 134,857,588.22-186,103,472.40-72,977,927.39

Finding the Fourth Proportional to 134,857,588.22, 186,103,472.40 and 72,977,927.39

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Solution

The fourth proportional to 134,857,588.22, 186,103,472.40 and 72,977,927.39 is: 100,709,540.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,857,588.22 : 186,103,472.40 = 72,977,927.39 : x
  2. Step 2: Convert to fraction form
    134,857,588.22/186,103,472.40 = 72,977,927.39/x
  3. Step 3: Cross multiply
    134,857,588.22x = 186,103,472.40 × 72,977,927.39
  4. Step 4: Simplify right side
    134,857,588.22x = 13,581,445,695,834,070
  5. Step 5: Solve for x
    x = 13,581,445,695,834,070/134,857,588.22
  6. Step 6: Final answer
    x = 100,709,540.15

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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.