Home / 47,261,439.56-70,885,859.70-13,179,931.40

Finding the Fourth Proportional to 47,261,439.56, 70,885,859.70 and 13,179,931.40

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Solution

The fourth proportional to 47,261,439.56, 70,885,859.70 and 13,179,931.40 is: 19,768,140.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,261,439.56 : 70,885,859.70 = 13,179,931.40 : x
  2. Step 2: Convert to fraction form
    47,261,439.56/70,885,859.70 = 13,179,931.40/x
  3. Step 3: Cross multiply
    47,261,439.56x = 70,885,859.70 × 13,179,931.40
  4. Step 4: Simplify right side
    47,261,439.56x = 934,270,768,076,024.62
  5. Step 5: Solve for x
    x = 934,270,768,076,024.62/47,261,439.56
  6. Step 6: Final answer
    x = 19,768,140.30

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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.