Home / 77,712,837.84-116,567,628.66-25,901,191.08

Finding the Fourth Proportional to 77,712,837.84, 116,567,628.66 and 25,901,191.08

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Solution

The fourth proportional to 77,712,837.84, 116,567,628.66 and 25,901,191.08 is: 38,851,243.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,712,837.84 : 116,567,628.66 = 25,901,191.08 : x
  2. Step 2: Convert to fraction form
    77,712,837.84/116,567,628.66 = 25,901,191.08/x
  3. Step 3: Cross multiply
    77,712,837.84x = 116,567,628.66 × 25,901,191.08
  4. Step 4: Simplify right side
    77,712,837.84x = 3,019,240,423,665,144
  5. Step 5: Solve for x
    x = 3,019,240,423,665,144/77,712,837.84
  6. Step 6: Final answer
    x = 38,851,243.98

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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.