Home / 319,926,065.15-479,907,033.75-89,877,213.87

Finding the Fourth Proportional to 319,926,065.15, 479,907,033.75 and 89,877,213.87

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Solution

The fourth proportional to 319,926,065.15, 479,907,033.75 and 89,877,213.87 is: 134,820,859.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,926,065.15 : 479,907,033.75 = 89,877,213.87 : x
  2. Step 2: Convert to fraction form
    319,926,065.15/479,907,033.75 = 89,877,213.87/x
  3. Step 3: Cross multiply
    319,926,065.15x = 479,907,033.75 × 89,877,213.87
  4. Step 4: Simplify right side
    319,926,065.15x = 43,132,707,110,066,064
  5. Step 5: Solve for x
    x = 43,132,707,110,066,064/319,926,065.15
  6. Step 6: Final answer
    x = 134,820,859.60

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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.