Home / 157,464,896.90-236,197,345.35-138,333,020.90

Finding the Fourth Proportional to 157,464,896.90, 236,197,345.35 and 138,333,020.90

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Solution

The fourth proportional to 157,464,896.90, 236,197,345.35 and 138,333,020.90 is: 207,499,531.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,464,896.90 : 236,197,345.35 = 138,333,020.90 : x
  2. Step 2: Convert to fraction form
    157,464,896.90/236,197,345.35 = 138,333,020.90/x
  3. Step 3: Cross multiply
    157,464,896.90x = 236,197,345.35 × 138,333,020.90
  4. Step 4: Simplify right side
    157,464,896.90x = 32,673,892,310,826,068
  5. Step 5: Solve for x
    x = 32,673,892,310,826,068/157,464,896.90
  6. Step 6: Final answer
    x = 207,499,531.35

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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.