Home / 199,974,282.56-299,899,395.64-70,551,627.20

Finding the Fourth Proportional to 199,974,282.56, 299,899,395.64 and 70,551,627.20

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Solution

The fourth proportional to 199,974,282.56, 299,899,395.64 and 70,551,627.20 is: 105,805,557.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,974,282.56 : 299,899,395.64 = 70,551,627.20 : x
  2. Step 2: Convert to fraction form
    199,974,282.56/299,899,395.64 = 70,551,627.20/x
  3. Step 3: Cross multiply
    199,974,282.56x = 299,899,395.64 × 70,551,627.20
  4. Step 4: Simplify right side
    199,974,282.56x = 21,158,390,358,698,584
  5. Step 5: Solve for x
    x = 21,158,390,358,698,584/199,974,282.56
  6. Step 6: Final answer
    x = 105,805,557.03

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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.