Home / 161,640,230.80-242,460,346.20-97,017,005.20

Finding the Fourth Proportional to 161,640,230.80, 242,460,346.20 and 97,017,005.20

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Solution

The fourth proportional to 161,640,230.80, 242,460,346.20 and 97,017,005.20 is: 145,525,507.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,640,230.80 : 242,460,346.20 = 97,017,005.20 : x
  2. Step 2: Convert to fraction form
    161,640,230.80/242,460,346.20 = 97,017,005.20/x
  3. Step 3: Cross multiply
    161,640,230.80x = 242,460,346.20 × 97,017,005.20
  4. Step 4: Simplify right side
    161,640,230.80x = 23,522,776,668,079,200
  5. Step 5: Solve for x
    x = 23,522,776,668,079,200/161,640,230.80
  6. Step 6: Final answer
    x = 145,525,507.80

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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.