Home / 407,379,130.83-611,062,722.09-100,671,247.35

Finding the Fourth Proportional to 407,379,130.83, 611,062,722.09 and 100,671,247.35

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Solution

The fourth proportional to 407,379,130.83, 611,062,722.09 and 100,671,247.35 is: 151,005,394.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    407,379,130.83 : 611,062,722.09 = 100,671,247.35 : x
  2. Step 2: Convert to fraction form
    407,379,130.83/611,062,722.09 = 100,671,247.35/x
  3. Step 3: Cross multiply
    407,379,130.83x = 611,062,722.09 × 100,671,247.35
  4. Step 4: Simplify right side
    407,379,130.83x = 61,516,446,441,886,696
  5. Step 5: Solve for x
    x = 61,516,446,441,886,696/407,379,130.83
  6. Step 6: Final answer
    x = 151,005,394.70

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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.