Home / 113,942,967.36-157,241,081.76-61,733,300.64

Finding the Fourth Proportional to 113,942,967.36, 157,241,081.76 and 61,733,300.64

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Solution

The fourth proportional to 113,942,967.36, 157,241,081.76 and 61,733,300.64 is: 85,191,839.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,942,967.36 : 157,241,081.76 = 61,733,300.64 : x
  2. Step 2: Convert to fraction form
    113,942,967.36/157,241,081.76 = 61,733,300.64/x
  3. Step 3: Cross multiply
    113,942,967.36x = 157,241,081.76 × 61,733,300.64
  4. Step 4: Simplify right side
    113,942,967.36x = 9,707,010,973,248,900
  5. Step 5: Solve for x
    x = 9,707,010,973,248,900/113,942,967.36
  6. Step 6: Final answer
    x = 85,191,839.38

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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.