Home / 216,118,522.95-324,176,620.36-52,356,196.69

Finding the Fourth Proportional to 216,118,522.95, 324,176,620.36 and 52,356,196.69

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Solution

The fourth proportional to 216,118,522.95, 324,176,620.36 and 52,356,196.69 is: 78,534,013.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,118,522.95 : 324,176,620.36 = 52,356,196.69 : x
  2. Step 2: Convert to fraction form
    216,118,522.95/324,176,620.36 = 52,356,196.69/x
  3. Step 3: Cross multiply
    216,118,522.95x = 324,176,620.36 × 52,356,196.69
  4. Step 4: Simplify right side
    216,118,522.95x = 16,972,654,896,641,822
  5. Step 5: Solve for x
    x = 16,972,654,896,641,822/216,118,522.95
  6. Step 6: Final answer
    x = 78,534,013.03

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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.