Home / 138,625,697.10-191,303,507.18-75,905,769.93

Finding the Fourth Proportional to 138,625,697.10, 191,303,507.18 and 75,905,769.93

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Solution

The fourth proportional to 138,625,697.10, 191,303,507.18 and 75,905,769.93 is: 104,749,987.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,625,697.10 : 191,303,507.18 = 75,905,769.93 : x
  2. Step 2: Convert to fraction form
    138,625,697.10/191,303,507.18 = 75,905,769.93/x
  3. Step 3: Cross multiply
    138,625,697.10x = 191,303,507.18 × 75,905,769.93
  4. Step 4: Simplify right side
    138,625,697.10x = 14,521,040,001,710,266
  5. Step 5: Solve for x
    x = 14,521,040,001,710,266/138,625,697.10
  6. Step 6: Final answer
    x = 104,749,987.24

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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.