Home / 207,728,135.66-286,639,852.61-119,650,778.48

Finding the Fourth Proportional to 207,728,135.66, 286,639,852.61 and 119,650,778.48

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Solution

The fourth proportional to 207,728,135.66, 286,639,852.61 and 119,650,778.48 is: 165,103,689.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,728,135.66 : 286,639,852.61 = 119,650,778.48 : x
  2. Step 2: Convert to fraction form
    207,728,135.66/286,639,852.61 = 119,650,778.48/x
  3. Step 3: Cross multiply
    207,728,135.66x = 286,639,852.61 × 119,650,778.48
  4. Step 4: Simplify right side
    207,728,135.66x = 34,296,681,509,194,688
  5. Step 5: Solve for x
    x = 34,296,681,509,194,688/207,728,135.66
  6. Step 6: Final answer
    x = 165,103,689.01

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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.