Home / 112,523,881.78-168,784,874.51-87,952,476.45

Finding the Fourth Proportional to 112,523,881.78, 168,784,874.51 and 87,952,476.45

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Solution

The fourth proportional to 112,523,881.78, 168,784,874.51 and 87,952,476.45 is: 131,927,973.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,523,881.78 : 168,784,874.51 = 87,952,476.45 : x
  2. Step 2: Convert to fraction form
    112,523,881.78/168,784,874.51 = 87,952,476.45/x
  3. Step 3: Cross multiply
    112,523,881.78x = 168,784,874.51 × 87,952,476.45
  4. Step 4: Simplify right side
    112,523,881.78x = 14,845,047,700,017,218
  5. Step 5: Solve for x
    x = 14,845,047,700,017,218/112,523,881.78
  6. Step 6: Final answer
    x = 131,927,973.56

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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.