Home / 148,358,853.67-204,772,423.21-100,754,655.33

Finding the Fourth Proportional to 148,358,853.67, 204,772,423.21 and 100,754,655.33

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Solution

The fourth proportional to 148,358,853.67, 204,772,423.21 and 100,754,655.33 is: 139,066,691.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,358,853.67 : 204,772,423.21 = 100,754,655.33 : x
  2. Step 2: Convert to fraction form
    148,358,853.67/204,772,423.21 = 100,754,655.33/x
  3. Step 3: Cross multiply
    148,358,853.67x = 204,772,423.21 × 100,754,655.33
  4. Step 4: Simplify right side
    148,358,853.67x = 20,631,774,922,128,452
  5. Step 5: Solve for x
    x = 20,631,774,922,128,452/148,358,853.67
  6. Step 6: Final answer
    x = 139,066,691.42

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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.