Home / 142,117,496.40-213,196,579.81-43,757,525.31

Finding the Fourth Proportional to 142,117,496.40, 213,196,579.81 and 43,757,525.31

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Solution

The fourth proportional to 142,117,496.40, 213,196,579.81 and 43,757,525.31 is: 65,642,549.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,117,496.40 : 213,196,579.81 = 43,757,525.31 : x
  2. Step 2: Convert to fraction form
    142,117,496.40/213,196,579.81 = 43,757,525.31/x
  3. Step 3: Cross multiply
    142,117,496.40x = 213,196,579.81 × 43,757,525.31
  4. Step 4: Simplify right side
    142,117,496.40x = 9,328,954,736,132,628
  5. Step 5: Solve for x
    x = 9,328,954,736,132,628/142,117,496.40
  6. Step 6: Final answer
    x = 65,642,549.10

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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.