Home / 86,921,095.64-119,957,783.75-49,763,030.69

Finding the Fourth Proportional to 86,921,095.64, 119,957,783.75 and 49,763,030.69

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Solution

The fourth proportional to 86,921,095.64, 119,957,783.75 and 49,763,030.69 is: 68,676,801.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,921,095.64 : 119,957,783.75 = 49,763,030.69 : x
  2. Step 2: Convert to fraction form
    86,921,095.64/119,957,783.75 = 49,763,030.69/x
  3. Step 3: Cross multiply
    86,921,095.64x = 119,957,783.75 × 49,763,030.69
  4. Step 4: Simplify right side
    86,921,095.64x = 5,969,462,873,407,030
  5. Step 5: Solve for x
    x = 5,969,462,873,407,030/86,921,095.64
  6. Step 6: Final answer
    x = 68,676,801.99

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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.