Home / 146,983,691.60-220,475,537.40-70,456,187.60

Finding the Fourth Proportional to 146,983,691.60, 220,475,537.40 and 70,456,187.60

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Solution

The fourth proportional to 146,983,691.60, 220,475,537.40 and 70,456,187.60 is: 105,684,281.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,983,691.60 : 220,475,537.40 = 70,456,187.60 : x
  2. Step 2: Convert to fraction form
    146,983,691.60/220,475,537.40 = 70,456,187.60/x
  3. Step 3: Cross multiply
    146,983,691.60x = 220,475,537.40 × 70,456,187.60
  4. Step 4: Simplify right side
    146,983,691.60x = 15,533,865,824,265,216
  5. Step 5: Solve for x
    x = 15,533,865,824,265,216/146,983,691.60
  6. Step 6: Final answer
    x = 105,684,281.40

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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.