Home / 90,463,314.93-124,839,280.13-49,210,108.89

Finding the Fourth Proportional to 90,463,314.93, 124,839,280.13 and 49,210,108.89

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Solution

The fourth proportional to 90,463,314.93, 124,839,280.13 and 49,210,108.89 is: 67,909,898.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,463,314.93 : 124,839,280.13 = 49,210,108.89 : x
  2. Step 2: Convert to fraction form
    90,463,314.93/124,839,280.13 = 49,210,108.89/x
  3. Step 3: Cross multiply
    90,463,314.93x = 124,839,280.13 × 49,210,108.89
  4. Step 4: Simplify right side
    90,463,314.93x = 6,143,354,568,700,463
  5. Step 5: Solve for x
    x = 6,143,354,568,700,463/90,463,314.93
  6. Step 6: Final answer
    x = 67,909,898.87

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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.