Home / 121,291,822.80-181,813,731.30-59,786,384.40

Finding the Fourth Proportional to 121,291,822.80, 181,813,731.30 and 59,786,384.40

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Solution

The fourth proportional to 121,291,822.80, 181,813,731.30 and 59,786,384.40 is: 89,618,453.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,291,822.80 : 181,813,731.30 = 59,786,384.40 : x
  2. Step 2: Convert to fraction form
    121,291,822.80/181,813,731.30 = 59,786,384.40/x
  3. Step 3: Cross multiply
    121,291,822.80x = 181,813,731.30 × 59,786,384.40
  4. Step 4: Simplify right side
    121,291,822.80x = 10,869,985,628,700,112
  5. Step 5: Solve for x
    x = 10,869,985,628,700,112/121,291,822.80
  6. Step 6: Final answer
    x = 89,618,453.89

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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.