Home / 242,790,663.90-364,185,995.85-217,281,495.90

Finding the Fourth Proportional to 242,790,663.90, 364,185,995.85 and 217,281,495.90

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Solution

The fourth proportional to 242,790,663.90, 364,185,995.85 and 217,281,495.90 is: 325,922,243.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,790,663.90 : 364,185,995.85 = 217,281,495.90 : x
  2. Step 2: Convert to fraction form
    242,790,663.90/364,185,995.85 = 217,281,495.90/x
  3. Step 3: Cross multiply
    242,790,663.90x = 364,185,995.85 × 217,281,495.90
  4. Step 4: Simplify right side
    242,790,663.90x = 79,130,877,964,119,200
  5. Step 5: Solve for x
    x = 79,130,877,964,119,200/242,790,663.90
  6. Step 6: Final answer
    x = 325,922,243.85

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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.