Home / 52,143,513.03-71,925,316.79-30,935,277.68

Finding the Fourth Proportional to 52,143,513.03, 71,925,316.79 and 30,935,277.68

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Solution

The fourth proportional to 52,143,513.03, 71,925,316.79 and 30,935,277.68 is: 42,671,264.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,143,513.03 : 71,925,316.79 = 30,935,277.68 : x
  2. Step 2: Convert to fraction form
    52,143,513.03/71,925,316.79 = 30,935,277.68/x
  3. Step 3: Cross multiply
    52,143,513.03x = 71,925,316.79 × 30,935,277.68
  4. Step 4: Simplify right side
    52,143,513.03x = 2,225,029,646,606,313.25
  5. Step 5: Solve for x
    x = 2,225,029,646,606,313.25/52,143,513.03
  6. Step 6: Final answer
    x = 42,671,264.69

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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.