Home / 74,283,125.40-111,424,688.10-66,724,853.40

Finding the Fourth Proportional to 74,283,125.40, 111,424,688.10 and 66,724,853.40

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Solution

The fourth proportional to 74,283,125.40, 111,424,688.10 and 66,724,853.40 is: 100,087,280.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,283,125.40 : 111,424,688.10 = 66,724,853.40 : x
  2. Step 2: Convert to fraction form
    74,283,125.40/111,424,688.10 = 66,724,853.40/x
  3. Step 3: Cross multiply
    74,283,125.40x = 111,424,688.10 × 66,724,853.40
  4. Step 4: Simplify right side
    74,283,125.40x = 7,434,795,978,613,224
  5. Step 5: Solve for x
    x = 7,434,795,978,613,224/74,283,125.40
  6. Step 6: Final answer
    x = 100,087,280.10

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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.