Home / 118,928,358.71-164,191,499.08-74,913,086.51

Finding the Fourth Proportional to 118,928,358.71, 164,191,499.08 and 74,913,086.51

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Solution

The fourth proportional to 118,928,358.71, 164,191,499.08 and 74,913,086.51 is: 103,424,381.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,928,358.71 : 164,191,499.08 = 74,913,086.51 : x
  2. Step 2: Convert to fraction form
    118,928,358.71/164,191,499.08 = 74,913,086.51/x
  3. Step 3: Cross multiply
    118,928,358.71x = 164,191,499.08 × 74,913,086.51
  4. Step 4: Simplify right side
    118,928,358.71x = 12,300,091,973,965,668
  5. Step 5: Solve for x
    x = 12,300,091,973,965,668/118,928,358.71
  6. Step 6: Final answer
    x = 103,424,381.77

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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.