Home / 202,423,762.40-303,635,643.60-125,896,258.40

Finding the Fourth Proportional to 202,423,762.40, 303,635,643.60 and 125,896,258.40

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Solution

The fourth proportional to 202,423,762.40, 303,635,643.60 and 125,896,258.40 is: 188,844,387.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,423,762.40 : 303,635,643.60 = 125,896,258.40 : x
  2. Step 2: Convert to fraction form
    202,423,762.40/303,635,643.60 = 125,896,258.40/x
  3. Step 3: Cross multiply
    202,423,762.40x = 303,635,643.60 × 125,896,258.40
  4. Step 4: Simplify right side
    202,423,762.40x = 38,226,591,446,115,912
  5. Step 5: Solve for x
    x = 38,226,591,446,115,912/202,423,762.40
  6. Step 6: Final answer
    x = 188,844,387.60

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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.