Home / 105,984,142.80-158,976,214.20-98,331,392.40

Finding the Fourth Proportional to 105,984,142.80, 158,976,214.20 and 98,331,392.40

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Solution

The fourth proportional to 105,984,142.80, 158,976,214.20 and 98,331,392.40 is: 147,497,088.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,984,142.80 : 158,976,214.20 = 98,331,392.40 : x
  2. Step 2: Convert to fraction form
    105,984,142.80/158,976,214.20 = 98,331,392.40/x
  3. Step 3: Cross multiply
    105,984,142.80x = 158,976,214.20 × 98,331,392.40
  4. Step 4: Simplify right side
    105,984,142.80x = 15,632,352,500,766,652
  5. Step 5: Solve for x
    x = 15,632,352,500,766,652/105,984,142.80
  6. Step 6: Final answer
    x = 147,497,088.60

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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.