Home / 148,712,056.72-205,158,979.88-92,860,513.90

Finding the Fourth Proportional to 148,712,056.72, 205,158,979.88 and 92,860,513.90

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Solution

The fourth proportional to 148,712,056.72, 205,158,979.88 and 92,860,513.90 is: 128,107,758.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,712,056.72 : 205,158,979.88 = 92,860,513.90 : x
  2. Step 2: Convert to fraction form
    148,712,056.72/205,158,979.88 = 92,860,513.90/x
  3. Step 3: Cross multiply
    148,712,056.72x = 205,158,979.88 × 92,860,513.90
  4. Step 4: Simplify right side
    148,712,056.72x = 19,051,168,302,856,560
  5. Step 5: Solve for x
    x = 19,051,168,302,856,560/148,712,056.72
  6. Step 6: Final answer
    x = 128,107,758.87

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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.