Home / 190,862,959.52-286,725,412.22-113,190,807.95

Finding the Fourth Proportional to 190,862,959.52, 286,725,412.22 and 113,190,807.95

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Solution

The fourth proportional to 190,862,959.52, 286,725,412.22 and 113,190,807.95 is: 170,041,799.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,862,959.52 : 286,725,412.22 = 113,190,807.95 : x
  2. Step 2: Convert to fraction form
    190,862,959.52/286,725,412.22 = 113,190,807.95/x
  3. Step 3: Cross multiply
    190,862,959.52x = 286,725,412.22 × 113,190,807.95
  4. Step 4: Simplify right side
    190,862,959.52x = 32,454,681,069,665,640
  5. Step 5: Solve for x
    x = 32,454,681,069,665,640/190,862,959.52
  6. Step 6: Final answer
    x = 170,041,799.37

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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.