Home / 146,708,143.40-220,062,215.10-70,180,639.40

Finding the Fourth Proportional to 146,708,143.40, 220,062,215.10 and 70,180,639.40

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Solution

The fourth proportional to 146,708,143.40, 220,062,215.10 and 70,180,639.40 is: 105,270,959.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,708,143.40 : 220,062,215.10 = 70,180,639.40 : x
  2. Step 2: Convert to fraction form
    146,708,143.40/220,062,215.10 = 70,180,639.40/x
  3. Step 3: Cross multiply
    146,708,143.40x = 220,062,215.10 × 70,180,639.40
  4. Step 4: Simplify right side
    146,708,143.40x = 15,444,106,963,498,336
  5. Step 5: Solve for x
    x = 15,444,106,963,498,336/146,708,143.40
  6. Step 6: Final answer
    x = 105,270,959.10

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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.