Home / 83,684,031.03-125,527,298.78-31,871,495.22

Finding the Fourth Proportional to 83,684,031.03, 125,527,298.78 and 31,871,495.22

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Solution

The fourth proportional to 83,684,031.03, 125,527,298.78 and 31,871,495.22 is: 47,807,719.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,684,031.03 : 125,527,298.78 = 31,871,495.22 : x
  2. Step 2: Convert to fraction form
    83,684,031.03/125,527,298.78 = 31,871,495.22/x
  3. Step 3: Cross multiply
    83,684,031.03x = 125,527,298.78 × 31,871,495.22
  4. Step 4: Simplify right side
    83,684,031.03x = 4,000,742,702,655,233
  5. Step 5: Solve for x
    x = 4,000,742,702,655,233/83,684,031.03
  6. Step 6: Final answer
    x = 47,807,719.75

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.