Home / 100,845,490.74-139,167,065.46-58,467,285.90

Finding the Fourth Proportional to 100,845,490.74, 139,167,065.46 and 58,467,285.90

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Solution

The fourth proportional to 100,845,490.74, 139,167,065.46 and 58,467,285.90 is: 80,685,021.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,845,490.74 : 139,167,065.46 = 58,467,285.90 : x
  2. Step 2: Convert to fraction form
    100,845,490.74/139,167,065.46 = 58,467,285.90/x
  3. Step 3: Cross multiply
    100,845,490.74x = 139,167,065.46 × 58,467,285.90
  4. Step 4: Simplify right side
    100,845,490.74x = 8,136,720,604,113,835
  5. Step 5: Solve for x
    x = 8,136,720,604,113,835/100,845,490.74
  6. Step 6: Final answer
    x = 80,685,021.65

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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.