Home / 78,833,146.10-118,169,237.55-53,276,738.90

Finding the Fourth Proportional to 78,833,146.10, 118,169,237.55 and 53,276,738.90

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Solution

The fourth proportional to 78,833,146.10, 118,169,237.55 and 53,276,738.90 is: 79,860,717.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,833,146.10 : 118,169,237.55 = 53,276,738.90 : x
  2. Step 2: Convert to fraction form
    78,833,146.10/118,169,237.55 = 53,276,738.90/x
  3. Step 3: Cross multiply
    78,833,146.10x = 118,169,237.55 × 53,276,738.90
  4. Step 4: Simplify right side
    78,833,146.10x = 6,295,671,614,963,425
  5. Step 5: Solve for x
    x = 6,295,671,614,963,425/78,833,146.10
  6. Step 6: Final answer
    x = 79,860,717.56

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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.