Home / 89,731,005.54-134,596,508.31-21,573,699.72

Finding the Fourth Proportional to 89,731,005.54, 134,596,508.31 and 21,573,699.72

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Solution

The fourth proportional to 89,731,005.54, 134,596,508.31 and 21,573,699.72 is: 32,360,549.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,731,005.54 : 134,596,508.31 = 21,573,699.72 : x
  2. Step 2: Convert to fraction form
    89,731,005.54/134,596,508.31 = 21,573,699.72/x
  3. Step 3: Cross multiply
    89,731,005.54x = 134,596,508.31 × 21,573,699.72
  4. Step 4: Simplify right side
    89,731,005.54x = 2,903,744,653,640,424.50
  5. Step 5: Solve for x
    x = 2,903,744,653,640,424.50/89,731,005.54
  6. Step 6: Final answer
    x = 32,360,549.58

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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.