Home / 79,746,534.90-119,619,802.35-19,162,260.90

Finding the Fourth Proportional to 79,746,534.90, 119,619,802.35 and 19,162,260.90

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Solution

The fourth proportional to 79,746,534.90, 119,619,802.35 and 19,162,260.90 is: 28,743,391.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,746,534.90 : 119,619,802.35 = 19,162,260.90 : x
  2. Step 2: Convert to fraction form
    79,746,534.90/119,619,802.35 = 19,162,260.90/x
  3. Step 3: Cross multiply
    79,746,534.90x = 119,619,802.35 × 19,162,260.90
  4. Step 4: Simplify right side
    79,746,534.90x = 2,292,185,861,437,133
  5. Step 5: Solve for x
    x = 2,292,185,861,437,133/79,746,534.90
  6. Step 6: Final answer
    x = 28,743,391.35

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Double scale
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Similar ratio
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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.