Home / 210,138,800.26-314,862,330.75-71,888,832.13

Finding the Fourth Proportional to 210,138,800.26, 314,862,330.75 and 71,888,832.13

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Solution

The fourth proportional to 210,138,800.26, 314,862,330.75 and 71,888,832.13 is: 107,714,925.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,138,800.26 : 314,862,330.75 = 71,888,832.13 : x
  2. Step 2: Convert to fraction form
    210,138,800.26/314,862,330.75 = 71,888,832.13/x
  3. Step 3: Cross multiply
    210,138,800.26x = 314,862,330.75 × 71,888,832.13
  4. Step 4: Simplify right side
    210,138,800.26x = 22,635,085,239,347,284
  5. Step 5: Solve for x
    x = 22,635,085,239,347,284/210,138,800.26
  6. Step 6: Final answer
    x = 107,714,925.62

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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.