Home / 121,291,555.80-181,813,330.80-59,786,117.40

Finding the Fourth Proportional to 121,291,555.80, 181,813,330.80 and 59,786,117.40

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Solution

The fourth proportional to 121,291,555.80, 181,813,330.80 and 59,786,117.40 is: 89,618,053.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,291,555.80 : 181,813,330.80 = 59,786,117.40 : x
  2. Step 2: Convert to fraction form
    121,291,555.80/181,813,330.80 = 59,786,117.40/x
  3. Step 3: Cross multiply
    121,291,555.80x = 181,813,330.80 × 59,786,117.40
  4. Step 4: Simplify right side
    121,291,555.80x = 10,869,913,140,093,836
  5. Step 5: Solve for x
    x = 10,869,913,140,093,836/121,291,555.80
  6. Step 6: Final answer
    x = 89,618,053.53

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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.