Home / 170,996,706.80-256,495,060.20-153,677,999.60

Finding the Fourth Proportional to 170,996,706.80, 256,495,060.20 and 153,677,999.60

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Solution

The fourth proportional to 170,996,706.80, 256,495,060.20 and 153,677,999.60 is: 230,516,999.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,996,706.80 : 256,495,060.20 = 153,677,999.60 : x
  2. Step 2: Convert to fraction form
    170,996,706.80/256,495,060.20 = 153,677,999.60/x
  3. Step 3: Cross multiply
    170,996,706.80x = 256,495,060.20 × 153,677,999.60
  4. Step 4: Simplify right side
    170,996,706.80x = 39,417,647,758,817,576
  5. Step 5: Solve for x
    x = 39,417,647,758,817,576/170,996,706.80
  6. Step 6: Final answer
    x = 230,516,999.40

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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.