Home / 156,792,262.08-216,367,659.09-86,227,263.66

Finding the Fourth Proportional to 156,792,262.08, 216,367,659.09 and 86,227,263.66

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Solution

The fourth proportional to 156,792,262.08, 216,367,659.09 and 86,227,263.66 is: 118,990,509.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,792,262.08 : 216,367,659.09 = 86,227,263.66 : x
  2. Step 2: Convert to fraction form
    156,792,262.08/216,367,659.09 = 86,227,263.66/x
  3. Step 3: Cross multiply
    156,792,262.08x = 216,367,659.09 × 86,227,263.66
  4. Step 4: Simplify right side
    156,792,262.08x = 18,656,791,187,850,424
  5. Step 5: Solve for x
    x = 18,656,791,187,850,424/156,792,262.08
  6. Step 6: Final answer
    x = 118,990,509.74

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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.