Home / 52,258,973.54-72,119,238.32-28,739,298.45

Finding the Fourth Proportional to 52,258,973.54, 72,119,238.32 and 28,739,298.45

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Solution

The fourth proportional to 52,258,973.54, 72,119,238.32 and 28,739,298.45 is: 39,661,251.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,258,973.54 : 72,119,238.32 = 28,739,298.45 : x
  2. Step 2: Convert to fraction form
    52,258,973.54/72,119,238.32 = 28,739,298.45/x
  3. Step 3: Cross multiply
    52,258,973.54x = 72,119,238.32 × 28,739,298.45
  4. Step 4: Simplify right side
    52,258,973.54x = 2,072,656,313,921,460
  5. Step 5: Solve for x
    x = 2,072,656,313,921,460/52,258,973.54
  6. Step 6: Final answer
    x = 39,661,251.91

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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.