Home / 77,041,897.16-115,561,861.60-18,749,677.76

Finding the Fourth Proportional to 77,041,897.16, 115,561,861.60 and 18,749,677.76

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Solution

The fourth proportional to 77,041,897.16, 115,561,861.60 and 18,749,677.76 is: 28,124,277.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,041,897.16 : 115,561,861.60 = 18,749,677.76 : x
  2. Step 2: Convert to fraction form
    77,041,897.16/115,561,861.60 = 18,749,677.76/x
  3. Step 3: Cross multiply
    77,041,897.16x = 115,561,861.60 × 18,749,677.76
  4. Step 4: Simplify right side
    77,041,897.16x = 2,166,747,666,211,444.25
  5. Step 5: Solve for x
    x = 2,166,747,666,211,444.25/77,041,897.16
  6. Step 6: Final answer
    x = 28,124,277.13

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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.