Home / 216,154,562.13-324,251,775.18-70,588,886.40

Finding the Fourth Proportional to 216,154,562.13, 324,251,775.18 and 70,588,886.40

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Solution

The fourth proportional to 216,154,562.13, 324,251,775.18 and 70,588,886.40 is: 105,889,838.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,154,562.13 : 324,251,775.18 = 70,588,886.40 : x
  2. Step 2: Convert to fraction form
    216,154,562.13/324,251,775.18 = 70,588,886.40/x
  3. Step 3: Cross multiply
    216,154,562.13x = 324,251,775.18 × 70,588,886.40
  4. Step 4: Simplify right side
    216,154,562.13x = 22,888,571,723,179,360
  5. Step 5: Solve for x
    x = 22,888,571,723,179,360/216,154,562.13
  6. Step 6: Final answer
    x = 105,889,838.72

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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.