Home / 171,680,610.04-257,634,358.30-80,830,180.60

Finding the Fourth Proportional to 171,680,610.04, 257,634,358.30 and 80,830,180.60

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Solution

The fourth proportional to 171,680,610.04, 257,634,358.30 and 80,830,180.60 is: 121,298,681.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,680,610.04 : 257,634,358.30 = 80,830,180.60 : x
  2. Step 2: Convert to fraction form
    171,680,610.04/257,634,358.30 = 80,830,180.60/x
  3. Step 3: Cross multiply
    171,680,610.04x = 257,634,358.30 × 80,830,180.60
  4. Step 4: Simplify right side
    171,680,610.04x = 20,824,631,710,154,108
  5. Step 5: Solve for x
    x = 20,824,631,710,154,108/171,680,610.04
  6. Step 6: Final answer
    x = 121,298,681.93

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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.