Home / 29,120,465.40-43,680,698.10-28,742,551.80

Finding the Fourth Proportional to 29,120,465.40, 43,680,698.10 and 28,742,551.80

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Solution

The fourth proportional to 29,120,465.40, 43,680,698.10 and 28,742,551.80 is: 43,113,827.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,120,465.40 : 43,680,698.10 = 28,742,551.80 : x
  2. Step 2: Convert to fraction form
    29,120,465.40/43,680,698.10 = 28,742,551.80/x
  3. Step 3: Cross multiply
    29,120,465.40x = 43,680,698.10 × 28,742,551.80
  4. Step 4: Simplify right side
    29,120,465.40x = 1,255,494,727,799,411.75
  5. Step 5: Solve for x
    x = 1,255,494,727,799,411.75/29,120,465.40
  6. Step 6: Final answer
    x = 43,113,827.70

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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.