Home / 99,908,887.51-149,873,608.50-37,712,590.90

Finding the Fourth Proportional to 99,908,887.51, 149,873,608.50 and 37,712,590.90

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Solution

The fourth proportional to 99,908,887.51, 149,873,608.50 and 37,712,590.90 is: 56,572,765.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,908,887.51 : 149,873,608.50 = 37,712,590.90 : x
  2. Step 2: Convert to fraction form
    99,908,887.51/149,873,608.50 = 37,712,590.90/x
  3. Step 3: Cross multiply
    99,908,887.51x = 149,873,608.50 × 37,712,590.90
  4. Step 4: Simplify right side
    99,908,887.51x = 5,652,122,083,551,157
  5. Step 5: Solve for x
    x = 5,652,122,083,551,157/99,908,887.51
  6. Step 6: Final answer
    x = 56,572,765.69

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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.