Home / 66,311,854.48-91,475,329.84-45,649,428.40

Finding the Fourth Proportional to 66,311,854.48, 91,475,329.84 and 45,649,428.40

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Solution

The fourth proportional to 66,311,854.48, 91,475,329.84 and 45,649,428.40 is: 62,972,096.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,311,854.48 : 91,475,329.84 = 45,649,428.40 : x
  2. Step 2: Convert to fraction form
    66,311,854.48/91,475,329.84 = 45,649,428.40/x
  3. Step 3: Cross multiply
    66,311,854.48x = 91,475,329.84 × 45,649,428.40
  4. Step 4: Simplify right side
    66,311,854.48x = 4,175,796,519,897,463.50
  5. Step 5: Solve for x
    x = 4,175,796,519,897,463.50/66,311,854.48
  6. Step 6: Final answer
    x = 62,972,096.81

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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.