Home / 146,697,707.90-220,046,561.85-66,076,139.90

Finding the Fourth Proportional to 146,697,707.90, 220,046,561.85 and 66,076,139.90

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Solution

The fourth proportional to 146,697,707.90, 220,046,561.85 and 66,076,139.90 is: 99,114,209.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,697,707.90 : 220,046,561.85 = 66,076,139.90 : x
  2. Step 2: Convert to fraction form
    146,697,707.90/220,046,561.85 = 66,076,139.90/x
  3. Step 3: Cross multiply
    146,697,707.90x = 220,046,561.85 × 66,076,139.90
  4. Step 4: Simplify right side
    146,697,707.90x = 14,539,827,405,314,602
  5. Step 5: Solve for x
    x = 14,539,827,405,314,602/146,697,707.90
  6. Step 6: Final answer
    x = 99,114,209.85

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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.