Home / 121,291,750.80-181,813,623.30-59,786,312.40

Finding the Fourth Proportional to 121,291,750.80, 181,813,623.30 and 59,786,312.40

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Solution

The fourth proportional to 121,291,750.80, 181,813,623.30 and 59,786,312.40 is: 89,618,345.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,291,750.80 : 181,813,623.30 = 59,786,312.40 : x
  2. Step 2: Convert to fraction form
    121,291,750.80/181,813,623.30 = 59,786,312.40/x
  3. Step 3: Cross multiply
    121,291,750.80x = 181,813,623.30 × 59,786,312.40
  4. Step 4: Simplify right side
    121,291,750.80x = 10,869,966,081,189,720
  5. Step 5: Solve for x
    x = 10,869,966,081,189,720/121,291,750.80
  6. Step 6: Final answer
    x = 89,618,345.93

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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.