Home / 286,377,842.25-429,562,510.02-79,111,669.62

Finding the Fourth Proportional to 286,377,842.25, 429,562,510.02 and 79,111,669.62

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Solution

The fourth proportional to 286,377,842.25, 429,562,510.02 and 79,111,669.62 is: 118,666,329.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,377,842.25 : 429,562,510.02 = 79,111,669.62 : x
  2. Step 2: Convert to fraction form
    286,377,842.25/429,562,510.02 = 79,111,669.62/x
  3. Step 3: Cross multiply
    286,377,842.25x = 429,562,510.02 × 79,111,669.62
  4. Step 4: Simplify right side
    286,377,842.25x = 33,983,407,373,840,180
  5. Step 5: Solve for x
    x = 33,983,407,373,840,180/286,377,842.25
  6. Step 6: Final answer
    x = 118,666,329.44

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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.