Home / 282,609,332.78-389,943,706.65-165,111,970.46

Finding the Fourth Proportional to 282,609,332.78, 389,943,706.65 and 165,111,970.46

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Solution

The fourth proportional to 282,609,332.78, 389,943,706.65 and 165,111,970.46 is: 227,821,116.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,609,332.78 : 389,943,706.65 = 165,111,970.46 : x
  2. Step 2: Convert to fraction form
    282,609,332.78/389,943,706.65 = 165,111,970.46/x
  3. Step 3: Cross multiply
    282,609,332.78x = 389,943,706.65 × 165,111,970.46
  4. Step 4: Simplify right side
    282,609,332.78x = 64,384,373,773,457,704
  5. Step 5: Solve for x
    x = 64,384,373,773,457,704/282,609,332.78
  6. Step 6: Final answer
    x = 227,821,116.66

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.