Home / 157,419,581.36-217,308,681.52-101,692,173.74

Finding the Fourth Proportional to 157,419,581.36, 217,308,681.52 and 101,692,173.74

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Solution

The fourth proportional to 157,419,581.36, 217,308,681.52 and 101,692,173.74 is: 140,380,199.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,419,581.36 : 217,308,681.52 = 101,692,173.74 : x
  2. Step 2: Convert to fraction form
    157,419,581.36/217,308,681.52 = 101,692,173.74/x
  3. Step 3: Cross multiply
    157,419,581.36x = 217,308,681.52 × 101,692,173.74
  4. Step 4: Simplify right side
    157,419,581.36x = 22,098,592,196,342,168
  5. Step 5: Solve for x
    x = 22,098,592,196,342,168/157,419,581.36
  6. Step 6: Final answer
    x = 140,380,199.24

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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.