Home / 74,807,363.40-111,998,468.70-66,304,307.40

Finding the Fourth Proportional to 74,807,363.40, 111,998,468.70 and 66,304,307.40

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Solution

The fourth proportional to 74,807,363.40, 111,998,468.70 and 66,304,307.40 is: 99,268,047.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,807,363.40 : 111,998,468.70 = 66,304,307.40 : x
  2. Step 2: Convert to fraction form
    74,807,363.40/111,998,468.70 = 66,304,307.40/x
  3. Step 3: Cross multiply
    74,807,363.40x = 111,998,468.70 × 66,304,307.40
  4. Step 4: Simplify right side
    74,807,363.40x = 7,425,980,897,014,078
  5. Step 5: Solve for x
    x = 7,425,980,897,014,078/74,807,363.40
  6. Step 6: Final answer
    x = 99,268,047.42

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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.