Home / 79,260,305.72-109,277,994.12-51,333,686.24

Finding the Fourth Proportional to 79,260,305.72, 109,277,994.12 and 51,333,686.24

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Solution

The fourth proportional to 79,260,305.72, 109,277,994.12 and 51,333,686.24 is: 70,774,925.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,260,305.72 : 109,277,994.12 = 51,333,686.24 : x
  2. Step 2: Convert to fraction form
    79,260,305.72/109,277,994.12 = 51,333,686.24/x
  3. Step 3: Cross multiply
    79,260,305.72x = 109,277,994.12 × 51,333,686.24
  4. Step 4: Simplify right side
    79,260,305.72x = 5,609,642,263,092,645
  5. Step 5: Solve for x
    x = 5,609,642,263,092,645/79,260,305.72
  6. Step 6: Final answer
    x = 70,774,925.89

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.