Home / 124,416,009.60-186,624,014.40-83,806,627.20

Finding the Fourth Proportional to 124,416,009.60, 186,624,014.40 and 83,806,627.20

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Solution

The fourth proportional to 124,416,009.60, 186,624,014.40 and 83,806,627.20 is: 125,709,940.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,416,009.60 : 186,624,014.40 = 83,806,627.20 : x
  2. Step 2: Convert to fraction form
    124,416,009.60/186,624,014.40 = 83,806,627.20/x
  3. Step 3: Cross multiply
    124,416,009.60x = 186,624,014.40 × 83,806,627.20
  4. Step 4: Simplify right side
    124,416,009.60x = 15,640,329,201,388,232
  5. Step 5: Solve for x
    x = 15,640,329,201,388,232/124,416,009.60
  6. Step 6: Final answer
    x = 125,709,940.80

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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.