Home / 155,520,998.70-233,281,498.05-115,210,214.70

Finding the Fourth Proportional to 155,520,998.70, 233,281,498.05 and 115,210,214.70

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Solution

The fourth proportional to 155,520,998.70, 233,281,498.05 and 115,210,214.70 is: 172,815,322.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,520,998.70 : 233,281,498.05 = 115,210,214.70 : x
  2. Step 2: Convert to fraction form
    155,520,998.70/233,281,498.05 = 115,210,214.70/x
  3. Step 3: Cross multiply
    155,520,998.70x = 233,281,498.05 × 115,210,214.70
  4. Step 4: Simplify right side
    155,520,998.70x = 26,876,411,475,878,132
  5. Step 5: Solve for x
    x = 26,876,411,475,878,132/155,520,998.70
  6. Step 6: Final answer
    x = 172,815,322.05

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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.