Home / 47,223,946.10-65,134,355.90-31,300,232.24

Finding the Fourth Proportional to 47,223,946.10, 65,134,355.90 and 31,300,232.24

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Solution

The fourth proportional to 47,223,946.10, 65,134,355.90 and 31,300,232.24 is: 43,171,327.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,223,946.10 : 65,134,355.90 = 31,300,232.24 : x
  2. Step 2: Convert to fraction form
    47,223,946.10/65,134,355.90 = 31,300,232.24/x
  3. Step 3: Cross multiply
    47,223,946.10x = 65,134,355.90 × 31,300,232.24
  4. Step 4: Simplify right side
    47,223,946.10x = 2,038,720,465,990,641.25
  5. Step 5: Solve for x
    x = 2,038,720,465,990,641.25/47,223,946.10
  6. Step 6: Final answer
    x = 43,171,327.99

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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.