Home / 145,859,805.92-201,348,510-90,882,824.96

Finding the Fourth Proportional to 145,859,805.92, 201,348,510 and 90,882,824.96

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Solution

The fourth proportional to 145,859,805.92, 201,348,510 and 90,882,824.96 is: 125,456,915.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,859,805.92 : 201,348,510 = 90,882,824.96 : x
  2. Step 2: Convert to fraction form
    145,859,805.92/201,348,510 = 90,882,824.96/x
  3. Step 3: Cross multiply
    145,859,805.92x = 201,348,510 × 90,882,824.96
  4. Step 4: Simplify right side
    145,859,805.92x = 18,299,121,390,286,808
  5. Step 5: Solve for x
    x = 18,299,121,390,286,808/145,859,805.92
  6. Step 6: Final answer
    x = 125,456,915.80

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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.