Home / 90,828,651.09-136,303,150.13-49,916,660.79

Finding the Fourth Proportional to 90,828,651.09, 136,303,150.13 and 49,916,660.79

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Solution

The fourth proportional to 90,828,651.09, 136,303,150.13 and 49,916,660.79 is: 74,908,060.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,828,651.09 : 136,303,150.13 = 49,916,660.79 : x
  2. Step 2: Convert to fraction form
    90,828,651.09/136,303,150.13 = 49,916,660.79/x
  3. Step 3: Cross multiply
    90,828,651.09x = 136,303,150.13 × 49,916,660.79
  4. Step 4: Simplify right side
    90,828,651.09x = 6,803,798,109,398,071
  5. Step 5: Solve for x
    x = 6,803,798,109,398,071/90,828,651.09
  6. Step 6: Final answer
    x = 74,908,060.70

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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.