Home / 101,854,835.67-140,559,689.70-55,445,436.93

Finding the Fourth Proportional to 101,854,835.67, 140,559,689.70 and 55,445,436.93

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Solution

The fourth proportional to 101,854,835.67, 140,559,689.70 and 55,445,436.93 is: 76,514,711.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,854,835.67 : 140,559,689.70 = 55,445,436.93 : x
  2. Step 2: Convert to fraction form
    101,854,835.67/140,559,689.70 = 55,445,436.93/x
  3. Step 3: Cross multiply
    101,854,835.67x = 140,559,689.70 × 55,445,436.93
  4. Step 4: Simplify right side
    101,854,835.67x = 7,793,393,410,161,720
  5. Step 5: Solve for x
    x = 7,793,393,410,161,720/101,854,835.67
  6. Step 6: Final answer
    x = 76,514,711.93

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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.