Home / 385,577,402.90-532,112,072.58-216,033,103.04

Finding the Fourth Proportional to 385,577,402.90, 532,112,072.58 and 216,033,103.04

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Solution

The fourth proportional to 385,577,402.90, 532,112,072.58 and 216,033,103.04 is: 298,134,230.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    385,577,402.90 : 532,112,072.58 = 216,033,103.04 : x
  2. Step 2: Convert to fraction form
    385,577,402.90/532,112,072.58 = 216,033,103.04/x
  3. Step 3: Cross multiply
    385,577,402.90x = 532,112,072.58 × 216,033,103.04
  4. Step 4: Simplify right side
    385,577,402.90x = 114,953,822,201,842,528
  5. Step 5: Solve for x
    x = 114,953,822,201,842,528/385,577,402.90
  6. Step 6: Final answer
    x = 298,134,230.22

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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.