Home / 193,137,807.20-289,758,032.40-83,916,111.20

Finding the Fourth Proportional to 193,137,807.20, 289,758,032.40 and 83,916,111.20

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Solution

The fourth proportional to 193,137,807.20, 289,758,032.40 and 83,916,111.20 is: 125,896,465.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,137,807.20 : 289,758,032.40 = 83,916,111.20 : x
  2. Step 2: Convert to fraction form
    193,137,807.20/289,758,032.40 = 83,916,111.20/x
  3. Step 3: Cross multiply
    193,137,807.20x = 289,758,032.40 × 83,916,111.20
  4. Step 4: Simplify right side
    193,137,807.20x = 24,315,367,267,971,600
  5. Step 5: Solve for x
    x = 24,315,367,267,971,600/193,137,807.20
  6. Step 6: Final answer
    x = 125,896,465.43

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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.