Home / 172,460,022.80-258,312,120.60-153,312,400.40

Finding the Fourth Proportional to 172,460,022.80, 258,312,120.60 and 153,312,400.40

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Solution

The fourth proportional to 172,460,022.80, 258,312,120.60 and 153,312,400.40 is: 229,632,645.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,460,022.80 : 258,312,120.60 = 153,312,400.40 : x
  2. Step 2: Convert to fraction form
    172,460,022.80/258,312,120.60 = 153,312,400.40/x
  3. Step 3: Cross multiply
    172,460,022.80x = 258,312,120.60 × 153,312,400.40
  4. Step 4: Simplify right side
    172,460,022.80x = 39,602,451,261,600,288
  5. Step 5: Solve for x
    x = 39,602,451,261,600,288/172,460,022.80
  6. Step 6: Final answer
    x = 229,632,645.40

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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.