Home / 82,165,590-113,387,128.20-45,495,373.68

Finding the Fourth Proportional to 82,165,590, 113,387,128.20 and 45,495,373.68

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Solution

The fourth proportional to 82,165,590, 113,387,128.20 and 45,495,373.68 is: 62,782,848.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,165,590 : 113,387,128.20 = 45,495,373.68 : x
  2. Step 2: Convert to fraction form
    82,165,590/113,387,128.20 = 45,495,373.68/x
  3. Step 3: Cross multiply
    82,165,590x = 113,387,128.20 × 45,495,373.68
  4. Step 4: Simplify right side
    82,165,590x = 5,158,589,767,961,066
  5. Step 5: Solve for x
    x = 5,158,589,767,961,066/82,165,590
  6. Step 6: Final answer
    x = 62,782,848.25

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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.