Home / 80,510,976,006.40-120,766,464,009.60-57,001,726,777.60

Finding the Fourth Proportional to 80,510,976,006.40, 120,766,464,009.60 and 57,001,726,777.60

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Solution

The fourth proportional to 80,510,976,006.40, 120,766,464,009.60 and 57,001,726,777.60 is: 85,502,590,166.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,510,976,006.40 : 120,766,464,009.60 = 57,001,726,777.60 : x
  2. Step 2: Convert to fraction form
    80,510,976,006.40/120,766,464,009.60 = 57,001,726,777.60/x
  3. Step 3: Cross multiply
    80,510,976,006.40x = 120,766,464,009.60 × 57,001,726,777.60
  4. Step 4: Simplify right side
    80,510,976,006.40x = 6,883,896,985,372,083,617,792
  5. Step 5: Solve for x
    x = 6,883,896,985,372,083,617,792/80,510,976,006.40
  6. Step 6: Final answer
    x = 85,502,590,166.40

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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.