Home / 84,240,703.21-116,256,661.11-47,071,885.78

Finding the Fourth Proportional to 84,240,703.21, 116,256,661.11 and 47,071,885.78

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Solution

The fourth proportional to 84,240,703.21, 116,256,661.11 and 47,071,885.78 is: 64,961,711.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,240,703.21 : 116,256,661.11 = 47,071,885.78 : x
  2. Step 2: Convert to fraction form
    84,240,703.21/116,256,661.11 = 47,071,885.78/x
  3. Step 3: Cross multiply
    84,240,703.21x = 116,256,661.11 × 47,071,885.78
  4. Step 4: Simplify right side
    84,240,703.21x = 5,472,420,272,934,088
  5. Step 5: Solve for x
    x = 5,472,420,272,934,088/84,240,703.21
  6. Step 6: Final answer
    x = 64,961,711.67

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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.