Home / 77,248,034.40-115,886,048.40-38,812,821.60

Finding the Fourth Proportional to 77,248,034.40, 115,886,048.40 and 38,812,821.60

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Solution

The fourth proportional to 77,248,034.40, 115,886,048.40 and 38,812,821.60 is: 58,226,265.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,248,034.40 : 115,886,048.40 = 38,812,821.60 : x
  2. Step 2: Convert to fraction form
    77,248,034.40/115,886,048.40 = 38,812,821.60/x
  3. Step 3: Cross multiply
    77,248,034.40x = 115,886,048.40 × 38,812,821.60
  4. Step 4: Simplify right side
    77,248,034.40x = 4,497,864,522,478,166
  5. Step 5: Solve for x
    x = 4,497,864,522,478,166/77,248,034.40
  6. Step 6: Final answer
    x = 58,226,265.01

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.