Home / 112,289,715.60-168,434,573.40-35,618,744.40

Finding the Fourth Proportional to 112,289,715.60, 168,434,573.40 and 35,618,744.40

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Solution

The fourth proportional to 112,289,715.60, 168,434,573.40 and 35,618,744.40 is: 53,428,116.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,289,715.60 : 168,434,573.40 = 35,618,744.40 : x
  2. Step 2: Convert to fraction form
    112,289,715.60/168,434,573.40 = 35,618,744.40/x
  3. Step 3: Cross multiply
    112,289,715.60x = 168,434,573.40 × 35,618,744.40
  4. Step 4: Simplify right side
    112,289,715.60x = 5,999,428,018,057,639
  5. Step 5: Solve for x
    x = 5,999,428,018,057,639/112,289,715.60
  6. Step 6: Final answer
    x = 53,428,116.60

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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.