Home / 142,663,316.64-196,935,640.56-96,316,346.40

Finding the Fourth Proportional to 142,663,316.64, 196,935,640.56 and 96,316,346.40

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Solution

The fourth proportional to 142,663,316.64, 196,935,640.56 and 96,316,346.40 is: 132,957,243.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,663,316.64 : 196,935,640.56 = 96,316,346.40 : x
  2. Step 2: Convert to fraction form
    142,663,316.64/196,935,640.56 = 96,316,346.40/x
  3. Step 3: Cross multiply
    142,663,316.64x = 196,935,640.56 × 96,316,346.40
  4. Step 4: Simplify right side
    142,663,316.64x = 18,968,121,374,682,852
  5. Step 5: Solve for x
    x = 18,968,121,374,682,852/142,663,316.64
  6. Step 6: Final answer
    x = 132,957,243.82

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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.