Home / 141,017,248.72-194,468,561.64-90,730,142.32

Finding the Fourth Proportional to 141,017,248.72, 194,468,561.64 and 90,730,142.32

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Solution

The fourth proportional to 141,017,248.72, 194,468,561.64 and 90,730,142.32 is: 125,120,582.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,017,248.72 : 194,468,561.64 = 90,730,142.32 : x
  2. Step 2: Convert to fraction form
    141,017,248.72/194,468,561.64 = 90,730,142.32/x
  3. Step 3: Cross multiply
    141,017,248.72x = 194,468,561.64 × 90,730,142.32
  4. Step 4: Simplify right side
    141,017,248.72x = 17,644,160,274,362,890
  5. Step 5: Solve for x
    x = 17,644,160,274,362,890/141,017,248.72
  6. Step 6: Final answer
    x = 125,120,582.30

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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.