Home / 98,354,254.65-135,740,773.28-55,978,117.22

Finding the Fourth Proportional to 98,354,254.65, 135,740,773.28 and 55,978,117.22

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Solution

The fourth proportional to 98,354,254.65, 135,740,773.28 and 55,978,117.22 is: 77,256,575.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,354,254.65 : 135,740,773.28 = 55,978,117.22 : x
  2. Step 2: Convert to fraction form
    98,354,254.65/135,740,773.28 = 55,978,117.22/x
  3. Step 3: Cross multiply
    98,354,254.65x = 135,740,773.28 × 55,978,117.22
  4. Step 4: Simplify right side
    98,354,254.65x = 7,598,512,918,201,284
  5. Step 5: Solve for x
    x = 7,598,512,918,201,284/98,354,254.65
  6. Step 6: Final answer
    x = 77,256,575.68

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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.