Home / 250,636,711.68-375,863,212.80-86,832,161.28

Finding the Fourth Proportional to 250,636,711.68, 375,863,212.80 and 86,832,161.28

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Solution

The fourth proportional to 250,636,711.68, 375,863,212.80 and 86,832,161.28 is: 130,216,419.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,636,711.68 : 375,863,212.80 = 86,832,161.28 : x
  2. Step 2: Convert to fraction form
    250,636,711.68/375,863,212.80 = 86,832,161.28/x
  3. Step 3: Cross multiply
    250,636,711.68x = 375,863,212.80 × 86,832,161.28
  4. Step 4: Simplify right side
    250,636,711.68x = 32,637,015,113,068,560
  5. Step 5: Solve for x
    x = 32,637,015,113,068,560/250,636,711.68
  6. Step 6: Final answer
    x = 130,216,419.19

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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.