Home / 170,881,667.92-235,811,829.88-100,316,143.42

Finding the Fourth Proportional to 170,881,667.92, 235,811,829.88 and 100,316,143.42

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Solution

The fourth proportional to 170,881,667.92, 235,811,829.88 and 100,316,143.42 is: 138,433,417.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,881,667.92 : 235,811,829.88 = 100,316,143.42 : x
  2. Step 2: Convert to fraction form
    170,881,667.92/235,811,829.88 = 100,316,143.42/x
  3. Step 3: Cross multiply
    170,881,667.92x = 235,811,829.88 × 100,316,143.42
  4. Step 4: Simplify right side
    170,881,667.92x = 23,655,733,346,374,720
  5. Step 5: Solve for x
    x = 23,655,733,346,374,720/170,881,667.92
  6. Step 6: Final answer
    x = 138,433,417.90

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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.