Home / 242,787,491.40-364,181,237.10-217,278,323.40

Finding the Fourth Proportional to 242,787,491.40, 364,181,237.10 and 217,278,323.40

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Solution

The fourth proportional to 242,787,491.40, 364,181,237.10 and 217,278,323.40 is: 325,917,485.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,787,491.40 : 364,181,237.10 = 217,278,323.40 : x
  2. Step 2: Convert to fraction form
    242,787,491.40/364,181,237.10 = 217,278,323.40/x
  3. Step 3: Cross multiply
    242,787,491.40x = 364,181,237.10 × 217,278,323.40
  4. Step 4: Simplify right side
    242,787,491.40x = 79,128,688,610,825,888
  5. Step 5: Solve for x
    x = 79,128,688,610,825,888/242,787,491.40
  6. Step 6: Final answer
    x = 325,917,485.10

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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.