Home / 90,930,461.64-136,481,923.71-56,282,055.05

Finding the Fourth Proportional to 90,930,461.64, 136,481,923.71 and 56,282,055.05

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Solution

The fourth proportional to 90,930,461.64, 136,481,923.71 and 56,282,055.05 is: 84,476,456.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,930,461.64 : 136,481,923.71 = 56,282,055.05 : x
  2. Step 2: Convert to fraction form
    90,930,461.64/136,481,923.71 = 56,282,055.05/x
  3. Step 3: Cross multiply
    90,930,461.64x = 136,481,923.71 × 56,282,055.05
  4. Step 4: Simplify right side
    90,930,461.64x = 7,681,483,142,893,711
  5. Step 5: Solve for x
    x = 7,681,483,142,893,711/90,930,461.64
  6. Step 6: Final answer
    x = 84,476,456.01

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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.