Home / 77,323,129.98-116,057,583.12-28,186,476.90

Finding the Fourth Proportional to 77,323,129.98, 116,057,583.12 and 28,186,476.90

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Solution

The fourth proportional to 77,323,129.98, 116,057,583.12 and 28,186,476.90 is: 42,306,285.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,323,129.98 : 116,057,583.12 = 28,186,476.90 : x
  2. Step 2: Convert to fraction form
    77,323,129.98/116,057,583.12 = 28,186,476.90/x
  3. Step 3: Cross multiply
    77,323,129.98x = 116,057,583.12 × 28,186,476.90
  4. Step 4: Simplify right side
    77,323,129.98x = 3,271,254,385,681,710
  5. Step 5: Solve for x
    x = 3,271,254,385,681,710/77,323,129.98
  6. Step 6: Final answer
    x = 42,306,285.15

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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.