Home / 124,574,234.40-186,805,364.40-47,871,770.40

Finding the Fourth Proportional to 124,574,234.40, 186,805,364.40 and 47,871,770.40

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Solution

The fourth proportional to 124,574,234.40, 186,805,364.40 and 47,871,770.40 is: 71,786,140.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,574,234.40 : 186,805,364.40 = 47,871,770.40 : x
  2. Step 2: Convert to fraction form
    124,574,234.40/186,805,364.40 = 47,871,770.40/x
  3. Step 3: Cross multiply
    124,574,234.40x = 186,805,364.40 × 47,871,770.40
  4. Step 4: Simplify right side
    124,574,234.40x = 8,942,703,514,045,134
  5. Step 5: Solve for x
    x = 8,942,703,514,045,134/124,574,234.40
  6. Step 6: Final answer
    x = 71,786,140.67

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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.