Home / 280,762,390.72-421,181,910.98-116,961,841.01

Finding the Fourth Proportional to 280,762,390.72, 421,181,910.98 and 116,961,841.01

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Solution

The fourth proportional to 280,762,390.72, 421,181,910.98 and 116,961,841.01 is: 175,458,727.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    280,762,390.72 : 421,181,910.98 = 116,961,841.01 : x
  2. Step 2: Convert to fraction form
    280,762,390.72/421,181,910.98 = 116,961,841.01/x
  3. Step 3: Cross multiply
    280,762,390.72x = 421,181,910.98 × 116,961,841.01
  4. Step 4: Simplify right side
    280,762,390.72x = 49,262,211,709,237,488
  5. Step 5: Solve for x
    x = 49,262,211,709,237,488/280,762,390.72
  6. Step 6: Final answer
    x = 175,458,727.16

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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.