Home / 115,753,206.71-159,735,291.93-65,516,347.16

Finding the Fourth Proportional to 115,753,206.71, 159,735,291.93 and 65,516,347.16

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Solution

The fourth proportional to 115,753,206.71, 159,735,291.93 and 65,516,347.16 is: 90,410,219.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,753,206.71 : 159,735,291.93 = 65,516,347.16 : x
  2. Step 2: Convert to fraction form
    115,753,206.71/159,735,291.93 = 65,516,347.16/x
  3. Step 3: Cross multiply
    115,753,206.71x = 159,735,291.93 × 65,516,347.16
  4. Step 4: Simplify right side
    115,753,206.71x = 10,465,272,838,991,150
  5. Step 5: Solve for x
    x = 10,465,272,838,991,150/115,753,206.71
  6. Step 6: Final answer
    x = 90,410,219.61

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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.