Home / 146,709,968.90-220,064,953.35-66,088,400.90

Finding the Fourth Proportional to 146,709,968.90, 220,064,953.35 and 66,088,400.90

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Solution

The fourth proportional to 146,709,968.90, 220,064,953.35 and 66,088,400.90 is: 99,132,601.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,709,968.90 : 220,064,953.35 = 66,088,400.90 : x
  2. Step 2: Convert to fraction form
    146,709,968.90/220,064,953.35 = 66,088,400.90/x
  3. Step 3: Cross multiply
    146,709,968.90x = 220,064,953.35 × 66,088,400.90
  4. Step 4: Simplify right side
    146,709,968.90x = 14,543,740,861,034,598
  5. Step 5: Solve for x
    x = 14,543,740,861,034,598/146,709,968.90
  6. Step 6: Final answer
    x = 99,132,601.35

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Similar ratio
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1.5x scale

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.