Home / 72,215,436.08-99,657,301.80-41,276,269.67

Finding the Fourth Proportional to 72,215,436.08, 99,657,301.80 and 41,276,269.67

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Solution

The fourth proportional to 72,215,436.08, 99,657,301.80 and 41,276,269.67 is: 56,961,252.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,215,436.08 : 99,657,301.80 = 41,276,269.67 : x
  2. Step 2: Convert to fraction form
    72,215,436.08/99,657,301.80 = 41,276,269.67/x
  3. Step 3: Cross multiply
    72,215,436.08x = 99,657,301.80 × 41,276,269.67
  4. Step 4: Simplify right side
    72,215,436.08x = 4,113,481,663,681,376.50
  5. Step 5: Solve for x
    x = 4,113,481,663,681,376.50/72,215,436.08
  6. Step 6: Final answer
    x = 56,961,252.15

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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.