Home / 171,648,561.60-257,472,842.40-163,685,937.60

Finding the Fourth Proportional to 171,648,561.60, 257,472,842.40 and 163,685,937.60

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Solution

The fourth proportional to 171,648,561.60, 257,472,842.40 and 163,685,937.60 is: 245,528,906.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,648,561.60 : 257,472,842.40 = 163,685,937.60 : x
  2. Step 2: Convert to fraction form
    171,648,561.60/257,472,842.40 = 163,685,937.60/x
  3. Step 3: Cross multiply
    171,648,561.60x = 257,472,842.40 × 163,685,937.60
  4. Step 4: Simplify right side
    171,648,561.60x = 42,144,683,614,781,032
  5. Step 5: Solve for x
    x = 42,144,683,614,781,032/171,648,561.60
  6. Step 6: Final answer
    x = 245,528,906.40

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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.