Home / 118,928,359.71-164,191,500.46-74,913,087.51

Finding the Fourth Proportional to 118,928,359.71, 164,191,500.46 and 74,913,087.51

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Solution

The fourth proportional to 118,928,359.71, 164,191,500.46 and 74,913,087.51 is: 103,424,383.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,928,359.71 : 164,191,500.46 = 74,913,087.51 : x
  2. Step 2: Convert to fraction form
    118,928,359.71/164,191,500.46 = 74,913,087.51/x
  3. Step 3: Cross multiply
    118,928,359.71x = 164,191,500.46 × 74,913,087.51
  4. Step 4: Simplify right side
    118,928,359.71x = 12,300,092,242,358,186
  5. Step 5: Solve for x
    x = 12,300,092,242,358,186/118,928,359.71
  6. Step 6: Final answer
    x = 103,424,383.15

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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.