Home / 72,276,910.23-99,698,319.13-42,888,879.03

Finding the Fourth Proportional to 72,276,910.23, 99,698,319.13 and 42,888,879.03

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Solution

The fourth proportional to 72,276,910.23, 99,698,319.13 and 42,888,879.03 is: 59,160,652.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,276,910.23 : 99,698,319.13 = 42,888,879.03 : x
  2. Step 2: Convert to fraction form
    72,276,910.23/99,698,319.13 = 42,888,879.03/x
  3. Step 3: Cross multiply
    72,276,910.23x = 99,698,319.13 × 42,888,879.03
  4. Step 4: Simplify right side
    72,276,910.23x = 4,275,949,148,660,905
  5. Step 5: Solve for x
    x = 4,275,949,148,660,905/72,276,910.23
  6. Step 6: Final answer
    x = 59,160,652.21

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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.