Home / 154,872,221.80-232,308,332.70-108,514,820.20

Finding the Fourth Proportional to 154,872,221.80, 232,308,332.70 and 108,514,820.20

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Solution

The fourth proportional to 154,872,221.80, 232,308,332.70 and 108,514,820.20 is: 162,772,230.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,872,221.80 : 232,308,332.70 = 108,514,820.20 : x
  2. Step 2: Convert to fraction form
    154,872,221.80/232,308,332.70 = 108,514,820.20/x
  3. Step 3: Cross multiply
    154,872,221.80x = 232,308,332.70 × 108,514,820.20
  4. Step 4: Simplify right side
    154,872,221.80x = 25,208,896,953,902,280
  5. Step 5: Solve for x
    x = 25,208,896,953,902,280/154,872,221.80
  6. Step 6: Final answer
    x = 162,772,230.30

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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.