Home / 90,930,572.52-136,482,090.12-56,282,166.06

Finding the Fourth Proportional to 90,930,572.52, 136,482,090.12 and 56,282,166.06

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Solution

The fourth proportional to 90,930,572.52, 136,482,090.12 and 56,282,166.06 is: 84,476,622.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,930,572.52 : 136,482,090.12 = 56,282,166.06 : x
  2. Step 2: Convert to fraction form
    90,930,572.52/136,482,090.12 = 56,282,166.06/x
  3. Step 3: Cross multiply
    90,930,572.52x = 136,482,090.12 × 56,282,166.06
  4. Step 4: Simplify right side
    90,930,572.52x = 7,681,507,660,349,726
  5. Step 5: Solve for x
    x = 7,681,507,660,349,726/90,930,572.52
  6. Step 6: Final answer
    x = 84,476,622.63

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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.