Home / 90,828,790.36-136,303,359.08-49,916,800.04

Finding the Fourth Proportional to 90,828,790.36, 136,303,359.08 and 49,916,800.04

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Solution

The fourth proportional to 90,828,790.36, 136,303,359.08 and 49,916,800.04 is: 74,908,269.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,828,790.36 : 136,303,359.08 = 49,916,800.04 : x
  2. Step 2: Convert to fraction form
    90,828,790.36/136,303,359.08 = 49,916,800.04/x
  3. Step 3: Cross multiply
    90,828,790.36x = 136,303,359.08 × 49,916,800.04
  4. Step 4: Simplify right side
    90,828,790.36x = 6,803,827,519,976,679
  5. Step 5: Solve for x
    x = 6,803,827,519,976,679/90,828,790.36
  6. Step 6: Final answer
    x = 74,908,269.65

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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.