Home / 153,450,743.49-230,021,019.27-66,069,258.12

Finding the Fourth Proportional to 153,450,743.49, 230,021,019.27 and 66,069,258.12

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Solution

The fourth proportional to 153,450,743.49, 230,021,019.27 and 66,069,258.12 is: 99,037,109.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,450,743.49 : 230,021,019.27 = 66,069,258.12 : x
  2. Step 2: Convert to fraction form
    153,450,743.49/230,021,019.27 = 66,069,258.12/x
  3. Step 3: Cross multiply
    153,450,743.49x = 230,021,019.27 × 66,069,258.12
  4. Step 4: Simplify right side
    153,450,743.49x = 15,197,318,095,175,124
  5. Step 5: Solve for x
    x = 15,197,318,095,175,124/153,450,743.49
  6. Step 6: Final answer
    x = 99,037,109.56

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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.