Home / 153,923,713.45-212,412,099.23-83,358,750.27

Finding the Fourth Proportional to 153,923,713.45, 212,412,099.23 and 83,358,750.27

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Solution

The fourth proportional to 153,923,713.45, 212,412,099.23 and 83,358,750.27 is: 115,033,653.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,923,713.45 : 212,412,099.23 = 83,358,750.27 : x
  2. Step 2: Convert to fraction form
    153,923,713.45/212,412,099.23 = 83,358,750.27/x
  3. Step 3: Cross multiply
    153,923,713.45x = 212,412,099.23 × 83,358,750.27
  4. Step 4: Simplify right side
    153,923,713.45x = 17,706,407,134,466,858
  5. Step 5: Solve for x
    x = 17,706,407,134,466,858/153,923,713.45
  6. Step 6: Final answer
    x = 115,033,653.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.