Home / 47,880,013.60-71,820,020.40-47,124,186.40

Finding the Fourth Proportional to 47,880,013.60, 71,820,020.40 and 47,124,186.40

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Solution

The fourth proportional to 47,880,013.60, 71,820,020.40 and 47,124,186.40 is: 70,686,279.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,880,013.60 : 71,820,020.40 = 47,124,186.40 : x
  2. Step 2: Convert to fraction form
    47,880,013.60/71,820,020.40 = 47,124,186.40/x
  3. Step 3: Cross multiply
    47,880,013.60x = 71,820,020.40 × 47,124,186.40
  4. Step 4: Simplify right side
    47,880,013.60x = 3,384,460,028,581,402.50
  5. Step 5: Solve for x
    x = 3,384,460,028,581,402.50/47,880,013.60
  6. Step 6: Final answer
    x = 70,686,279.60

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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.