Home / 100,792,511.20-151,216,760.40-43,312,319.20

Finding the Fourth Proportional to 100,792,511.20, 151,216,760.40 and 43,312,319.20

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Solution

The fourth proportional to 100,792,511.20, 151,216,760.40 and 43,312,319.20 is: 64,980,508.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,792,511.20 : 151,216,760.40 = 43,312,319.20 : x
  2. Step 2: Convert to fraction form
    100,792,511.20/151,216,760.40 = 43,312,319.20/x
  3. Step 3: Cross multiply
    100,792,511.20x = 151,216,760.40 × 43,312,319.20
  4. Step 4: Simplify right side
    100,792,511.20x = 6,549,548,594,834,720
  5. Step 5: Solve for x
    x = 6,549,548,594,834,720/100,792,511.20
  6. Step 6: Final answer
    x = 64,980,508.14

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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.