Home / 105,401,079.29-145,458,034.87-58,358,153.66

Finding the Fourth Proportional to 105,401,079.29, 145,458,034.87 and 58,358,153.66

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Solution

The fourth proportional to 105,401,079.29, 145,458,034.87 and 58,358,153.66 is: 80,536,768.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,401,079.29 : 145,458,034.87 = 58,358,153.66 : x
  2. Step 2: Convert to fraction form
    105,401,079.29/145,458,034.87 = 58,358,153.66/x
  3. Step 3: Cross multiply
    105,401,079.29x = 145,458,034.87 × 58,358,153.66
  4. Step 4: Simplify right side
    105,401,079.29x = 8,488,662,349,752,064
  5. Step 5: Solve for x
    x = 8,488,662,349,752,064/105,401,079.29
  6. Step 6: Final answer
    x = 80,536,768.76

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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.