Home / 101,502,731.79-140,070,019.06-55,091,989.26

Finding the Fourth Proportional to 101,502,731.79, 140,070,019.06 and 55,091,989.26

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Solution

The fourth proportional to 101,502,731.79, 140,070,019.06 and 55,091,989.26 is: 76,024,909.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,502,731.79 : 140,070,019.06 = 55,091,989.26 : x
  2. Step 2: Convert to fraction form
    101,502,731.79/140,070,019.06 = 55,091,989.26/x
  3. Step 3: Cross multiply
    101,502,731.79x = 140,070,019.06 × 55,091,989.26
  4. Step 4: Simplify right side
    101,502,731.79x = 7,716,735,985,701,515
  5. Step 5: Solve for x
    x = 7,716,735,985,701,515/101,502,731.79
  6. Step 6: Final answer
    x = 76,024,909.38

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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.