Home / 89,991,743.40-135,036,756.72-38,168,285.04

Finding the Fourth Proportional to 89,991,743.40, 135,036,756.72 and 38,168,285.04

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Solution

The fourth proportional to 89,991,743.40, 135,036,756.72 and 38,168,285.04 is: 57,273,270.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,991,743.40 : 135,036,756.72 = 38,168,285.04 : x
  2. Step 2: Convert to fraction form
    89,991,743.40/135,036,756.72 = 38,168,285.04/x
  3. Step 3: Cross multiply
    89,991,743.40x = 135,036,756.72 × 38,168,285.04
  4. Step 4: Simplify right side
    89,991,743.40x = 5,154,121,421,366,095
  5. Step 5: Solve for x
    x = 5,154,121,421,366,095/89,991,743.40
  6. Step 6: Final answer
    x = 57,273,270.04

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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.