Home / 88,537,139.40-132,805,709.10-70,042,992.60

Finding the Fourth Proportional to 88,537,139.40, 132,805,709.10 and 70,042,992.60

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Solution

The fourth proportional to 88,537,139.40, 132,805,709.10 and 70,042,992.60 is: 105,064,488.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,537,139.40 : 132,805,709.10 = 70,042,992.60 : x
  2. Step 2: Convert to fraction form
    88,537,139.40/132,805,709.10 = 70,042,992.60/x
  3. Step 3: Cross multiply
    88,537,139.40x = 132,805,709.10 × 70,042,992.60
  4. Step 4: Simplify right side
    88,537,139.40x = 9,302,109,299,729,052
  5. Step 5: Solve for x
    x = 9,302,109,299,729,052/88,537,139.40
  6. Step 6: Final answer
    x = 105,064,488.90

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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.