Home / 71,258,496.40-106,887,744.60-53,118,643.60

Finding the Fourth Proportional to 71,258,496.40, 106,887,744.60 and 53,118,643.60

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Solution

The fourth proportional to 71,258,496.40, 106,887,744.60 and 53,118,643.60 is: 79,677,965.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,258,496.40 : 106,887,744.60 = 53,118,643.60 : x
  2. Step 2: Convert to fraction form
    71,258,496.40/106,887,744.60 = 53,118,643.60/x
  3. Step 3: Cross multiply
    71,258,496.40x = 106,887,744.60 × 53,118,643.60
  4. Step 4: Simplify right side
    71,258,496.40x = 5,677,732,010,615,224
  5. Step 5: Solve for x
    x = 5,677,732,010,615,224/71,258,496.40
  6. Step 6: Final answer
    x = 79,677,965.40

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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.