Home / 136,769,390.60-188,742,070.08-74,046,148.65

Finding the Fourth Proportional to 136,769,390.60, 188,742,070.08 and 74,046,148.65

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Solution

The fourth proportional to 136,769,390.60, 188,742,070.08 and 74,046,148.65 is: 102,183,853.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,769,390.60 : 188,742,070.08 = 74,046,148.65 : x
  2. Step 2: Convert to fraction form
    136,769,390.60/188,742,070.08 = 74,046,148.65/x
  3. Step 3: Cross multiply
    136,769,390.60x = 188,742,070.08 × 74,046,148.65
  4. Step 4: Simplify right side
    136,769,390.60x = 13,975,623,377,652,400
  5. Step 5: Solve for x
    x = 13,975,623,377,652,400/136,769,390.60
  6. Step 6: Final answer
    x = 102,183,853.54

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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.