Home / 41,149,411.80-61,724,117.70-20,742,077.40

Finding the Fourth Proportional to 41,149,411.80, 61,724,117.70 and 20,742,077.40

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Solution

The fourth proportional to 41,149,411.80, 61,724,117.70 and 20,742,077.40 is: 31,113,116.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,149,411.80 : 61,724,117.70 = 20,742,077.40 : x
  2. Step 2: Convert to fraction form
    41,149,411.80/61,724,117.70 = 20,742,077.40/x
  3. Step 3: Cross multiply
    41,149,411.80x = 61,724,117.70 × 20,742,077.40
  4. Step 4: Simplify right side
    41,149,411.80x = 1,280,286,426,780,110
  5. Step 5: Solve for x
    x = 1,280,286,426,780,110/41,149,411.80
  6. Step 6: Final answer
    x = 31,113,116.10

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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.