Home / 72,215,430.22-99,657,293.70-41,276,263.80

Finding the Fourth Proportional to 72,215,430.22, 99,657,293.70 and 41,276,263.80

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Solution

The fourth proportional to 72,215,430.22, 99,657,293.70 and 41,276,263.80 is: 56,961,244.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,215,430.22 : 99,657,293.70 = 41,276,263.80 : x
  2. Step 2: Convert to fraction form
    72,215,430.22/99,657,293.70 = 41,276,263.80/x
  3. Step 3: Cross multiply
    72,215,430.22x = 99,657,293.70 × 41,276,263.80
  4. Step 4: Simplify right side
    72,215,430.22x = 4,113,480,744,355,278
  5. Step 5: Solve for x
    x = 4,113,480,744,355,278/72,215,430.22
  6. Step 6: Final answer
    x = 56,961,244.04

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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.