Home / 72,215,431.09-99,657,294.91-41,276,264.67

Finding the Fourth Proportional to 72,215,431.09, 99,657,294.91 and 41,276,264.67

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Solution

The fourth proportional to 72,215,431.09, 99,657,294.91 and 41,276,264.67 is: 56,961,245.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,215,431.09 : 99,657,294.91 = 41,276,264.67 : x
  2. Step 2: Convert to fraction form
    72,215,431.09/99,657,294.91 = 41,276,264.67/x
  3. Step 3: Cross multiply
    72,215,431.09x = 99,657,294.91 × 41,276,264.67
  4. Step 4: Simplify right side
    72,215,431.09x = 4,113,480,880,898,213.50
  5. Step 5: Solve for x
    x = 4,113,480,880,898,213.50/72,215,431.09
  6. Step 6: Final answer
    x = 56,961,245.25

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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.