Home / 112,154,921.70-168,106,411.35-47,447,715.30

Finding the Fourth Proportional to 112,154,921.70, 168,106,411.35 and 47,447,715.30

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Solution

The fourth proportional to 112,154,921.70, 168,106,411.35 and 47,447,715.30 is: 71,118,280.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,154,921.70 : 168,106,411.35 = 47,447,715.30 : x
  2. Step 2: Convert to fraction form
    112,154,921.70/168,106,411.35 = 47,447,715.30/x
  3. Step 3: Cross multiply
    112,154,921.70x = 168,106,411.35 × 47,447,715.30
  4. Step 4: Simplify right side
    112,154,921.70x = 7,976,265,145,839,488
  5. Step 5: Solve for x
    x = 7,976,265,145,839,488/112,154,921.70
  6. Step 6: Final answer
    x = 71,118,280.19

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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.