Home / 78,477,170.34-108,291,455.96-45,439,649.27

Finding the Fourth Proportional to 78,477,170.34, 108,291,455.96 and 45,439,649.27

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Solution

The fourth proportional to 78,477,170.34, 108,291,455.96 and 45,439,649.27 is: 62,702,640.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,477,170.34 : 108,291,455.96 = 45,439,649.27 : x
  2. Step 2: Convert to fraction form
    78,477,170.34/108,291,455.96 = 45,439,649.27/x
  3. Step 3: Cross multiply
    78,477,170.34x = 108,291,455.96 × 45,439,649.27
  4. Step 4: Simplify right side
    78,477,170.34x = 4,920,725,777,218,594
  5. Step 5: Solve for x
    x = 4,920,725,777,218,594/78,477,170.34
  6. Step 6: Final answer
    x = 62,702,640.22

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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.