Home / 168,517,973.60-252,776,960.40-103,611,312.80

Finding the Fourth Proportional to 168,517,973.60, 252,776,960.40 and 103,611,312.80

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Solution

The fourth proportional to 168,517,973.60, 252,776,960.40 and 103,611,312.80 is: 155,416,969.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,517,973.60 : 252,776,960.40 = 103,611,312.80 : x
  2. Step 2: Convert to fraction form
    168,517,973.60/252,776,960.40 = 103,611,312.80/x
  3. Step 3: Cross multiply
    168,517,973.60x = 252,776,960.40 × 103,611,312.80
  4. Step 4: Simplify right side
    168,517,973.60x = 26,190,552,712,637,612
  5. Step 5: Solve for x
    x = 26,190,552,712,637,612/168,517,973.60
  6. Step 6: Final answer
    x = 155,416,969.20

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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.