Home / 89,748,051.30-134,728,365.15-50,917,428.90

Finding the Fourth Proportional to 89,748,051.30, 134,728,365.15 and 50,917,428.90

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Solution

The fourth proportional to 89,748,051.30, 134,728,365.15 and 50,917,428.90 is: 76,436,444.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,748,051.30 : 134,728,365.15 = 50,917,428.90 : x
  2. Step 2: Convert to fraction form
    89,748,051.30/134,728,365.15 = 50,917,428.90/x
  3. Step 3: Cross multiply
    89,748,051.30x = 134,728,365.15 × 50,917,428.90
  4. Step 4: Simplify right side
    89,748,051.30x = 6,860,021,953,338,363
  5. Step 5: Solve for x
    x = 6,860,021,953,338,363/89,748,051.30
  6. Step 6: Final answer
    x = 76,436,444.62

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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.