Home / 51,712,352.68-71,363,838.42-28,190,903.16

Finding the Fourth Proportional to 51,712,352.68, 71,363,838.42 and 28,190,903.16

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Solution

The fourth proportional to 51,712,352.68, 71,363,838.42 and 28,190,903.16 is: 38,903,877.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,712,352.68 : 71,363,838.42 = 28,190,903.16 : x
  2. Step 2: Convert to fraction form
    51,712,352.68/71,363,838.42 = 28,190,903.16/x
  3. Step 3: Cross multiply
    51,712,352.68x = 71,363,838.42 × 28,190,903.16
  4. Step 4: Simplify right side
    51,712,352.68x = 2,011,811,058,024,107.50
  5. Step 5: Solve for x
    x = 2,011,811,058,024,107.50/51,712,352.68
  6. Step 6: Final answer
    x = 38,903,877.97

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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.