Home / 161,639,521-242,461,382.64-53,934,145

Finding the Fourth Proportional to 161,639,521, 242,461,382.64 and 53,934,145

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Solution

The fourth proportional to 161,639,521, 242,461,382.64 and 53,934,145 is: 80,901,918.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,639,521 : 242,461,382.64 = 53,934,145 : x
  2. Step 2: Convert to fraction form
    161,639,521/242,461,382.64 = 53,934,145/x
  3. Step 3: Cross multiply
    161,639,521x = 242,461,382.64 × 53,934,145
  4. Step 4: Simplify right side
    161,639,521x = 13,076,947,368,206,242
  5. Step 5: Solve for x
    x = 13,076,947,368,206,242/161,639,521
  6. Step 6: Final answer
    x = 80,901,918.59

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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.