Home / 92,890,347.40-139,335,521.10-62,279,345.80

Finding the Fourth Proportional to 92,890,347.40, 139,335,521.10 and 62,279,345.80

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Solution

The fourth proportional to 92,890,347.40, 139,335,521.10 and 62,279,345.80 is: 93,419,018.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,890,347.40 : 139,335,521.10 = 62,279,345.80 : x
  2. Step 2: Convert to fraction form
    92,890,347.40/139,335,521.10 = 62,279,345.80/x
  3. Step 3: Cross multiply
    92,890,347.40x = 139,335,521.10 × 62,279,345.80
  4. Step 4: Simplify right side
    92,890,347.40x = 8,677,725,100,810,096
  5. Step 5: Solve for x
    x = 8,677,725,100,810,096/92,890,347.40
  6. Step 6: Final answer
    x = 93,419,018.70

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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.