Home / 121,291,519.80-181,813,276.80-59,786,081.40

Finding the Fourth Proportional to 121,291,519.80, 181,813,276.80 and 59,786,081.40

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Solution

The fourth proportional to 121,291,519.80, 181,813,276.80 and 59,786,081.40 is: 89,617,999.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,291,519.80 : 181,813,276.80 = 59,786,081.40 : x
  2. Step 2: Convert to fraction form
    121,291,519.80/181,813,276.80 = 59,786,081.40/x
  3. Step 3: Cross multiply
    121,291,519.80x = 181,813,276.80 × 59,786,081.40
  4. Step 4: Simplify right side
    121,291,519.80x = 10,869,903,366,365,532
  5. Step 5: Solve for x
    x = 10,869,903,366,365,532/121,291,519.80
  6. Step 6: Final answer
    x = 89,617,999.55

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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.