Home / 47,880,018.60-71,820,027.90-47,124,191.40

Finding the Fourth Proportional to 47,880,018.60, 71,820,027.90 and 47,124,191.40

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Solution

The fourth proportional to 47,880,018.60, 71,820,027.90 and 47,124,191.40 is: 70,686,287.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,880,018.60 : 71,820,027.90 = 47,124,191.40 : x
  2. Step 2: Convert to fraction form
    47,880,018.60/71,820,027.90 = 47,124,191.40/x
  3. Step 3: Cross multiply
    47,880,018.60x = 71,820,027.90 × 47,124,191.40
  4. Step 4: Simplify right side
    47,880,018.60x = 3,384,460,741,112,940
  5. Step 5: Solve for x
    x = 3,384,460,741,112,940/47,880,018.60
  6. Step 6: Final answer
    x = 70,686,287.10

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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.