Home / 172,413,693.60-258,620,540.40-153,706,970.40

Finding the Fourth Proportional to 172,413,693.60, 258,620,540.40 and 153,706,970.40

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Solution

The fourth proportional to 172,413,693.60, 258,620,540.40 and 153,706,970.40 is: 230,560,455.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,413,693.60 : 258,620,540.40 = 153,706,970.40 : x
  2. Step 2: Convert to fraction form
    172,413,693.60/258,620,540.40 = 153,706,970.40/x
  3. Step 3: Cross multiply
    172,413,693.60x = 258,620,540.40 × 153,706,970.40
  4. Step 4: Simplify right side
    172,413,693.60x = 39,751,779,748,094,808
  5. Step 5: Solve for x
    x = 39,751,779,748,094,808/172,413,693.60
  6. Step 6: Final answer
    x = 230,560,455.60

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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.