Home / 136,942,415.66-205,413,611.02-60,265,443.86

Finding the Fourth Proportional to 136,942,415.66, 205,413,611.02 and 60,265,443.86

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Solution

The fourth proportional to 136,942,415.66, 205,413,611.02 and 60,265,443.86 is: 90,398,160.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,942,415.66 : 205,413,611.02 = 60,265,443.86 : x
  2. Step 2: Convert to fraction form
    136,942,415.66/205,413,611.02 = 60,265,443.86/x
  3. Step 3: Cross multiply
    136,942,415.66x = 205,413,611.02 × 60,265,443.86
  4. Step 4: Simplify right side
    136,942,415.66x = 12,379,342,443,005,688
  5. Step 5: Solve for x
    x = 12,379,342,443,005,688/136,942,415.66
  6. Step 6: Final answer
    x = 90,398,160.30

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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.