Home / 113,910,776.43-157,196,876.73-61,699,812.01

Finding the Fourth Proportional to 113,910,776.43, 157,196,876.73 and 61,699,812.01

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Solution

The fourth proportional to 113,910,776.43, 157,196,876.73 and 61,699,812.01 is: 85,145,743.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,910,776.43 : 157,196,876.73 = 61,699,812.01 : x
  2. Step 2: Convert to fraction form
    113,910,776.43/157,196,876.73 = 61,699,812.01/x
  3. Step 3: Cross multiply
    113,910,776.43x = 157,196,876.73 × 61,699,812.01
  4. Step 4: Simplify right side
    113,910,776.43x = 9,699,017,742,800,142
  5. Step 5: Solve for x
    x = 9,699,017,742,800,142/113,910,776.43
  6. Step 6: Final answer
    x = 85,145,743.42

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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.