Home / 146,033,915.80-201,518,819.90-79,941,628.20

Finding the Fourth Proportional to 146,033,915.80, 201,518,819.90 and 79,941,628.20

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Solution

The fourth proportional to 146,033,915.80, 201,518,819.90 and 79,941,628.20 is: 110,315,076.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,033,915.80 : 201,518,819.90 = 79,941,628.20 : x
  2. Step 2: Convert to fraction form
    146,033,915.80/201,518,819.90 = 79,941,628.20/x
  3. Step 3: Cross multiply
    146,033,915.80x = 201,518,819.90 × 79,941,628.20
  4. Step 4: Simplify right side
    146,033,915.80x = 16,109,742,575,748,562
  5. Step 5: Solve for x
    x = 16,109,742,575,748,562/146,033,915.80
  6. Step 6: Final answer
    x = 110,315,076.38

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.