Home / 78,678,477.70-118,017,716.55-44,666,253.70

Finding the Fourth Proportional to 78,678,477.70, 118,017,716.55 and 44,666,253.70

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Solution

The fourth proportional to 78,678,477.70, 118,017,716.55 and 44,666,253.70 is: 66,999,380.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,678,477.70 : 118,017,716.55 = 44,666,253.70 : x
  2. Step 2: Convert to fraction form
    78,678,477.70/118,017,716.55 = 44,666,253.70/x
  3. Step 3: Cross multiply
    78,678,477.70x = 118,017,716.55 × 44,666,253.70
  4. Step 4: Simplify right side
    78,678,477.70x = 5,271,409,268,516,989
  5. Step 5: Solve for x
    x = 5,271,409,268,516,989/78,678,477.70
  6. Step 6: Final answer
    x = 66,999,380.55

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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.