Home / 294,439,734.96-406,321,500.60-160,478,810.16

Finding the Fourth Proportional to 294,439,734.96, 406,321,500.60 and 160,478,810.16

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Solution

The fourth proportional to 294,439,734.96, 406,321,500.60 and 160,478,810.16 is: 221,457,851.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    294,439,734.96 : 406,321,500.60 = 160,478,810.16 : x
  2. Step 2: Convert to fraction form
    294,439,734.96/406,321,500.60 = 160,478,810.16/x
  3. Step 3: Cross multiply
    294,439,734.96x = 406,321,500.60 × 160,478,810.16
  4. Step 4: Simplify right side
    294,439,734.96x = 65,205,990,958,713,728
  5. Step 5: Solve for x
    x = 65,205,990,958,713,728/294,439,734.96
  6. Step 6: Final answer
    x = 221,457,851.02

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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.