Home / 145,859,810.42-201,348,516.21-90,882,829.46

Finding the Fourth Proportional to 145,859,810.42, 201,348,516.21 and 90,882,829.46

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Solution

The fourth proportional to 145,859,810.42, 201,348,516.21 and 90,882,829.46 is: 125,456,922.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,859,810.42 : 201,348,516.21 = 90,882,829.46 : x
  2. Step 2: Convert to fraction form
    145,859,810.42/201,348,516.21 = 90,882,829.46/x
  3. Step 3: Cross multiply
    145,859,810.42x = 201,348,516.21 × 90,882,829.46
  4. Step 4: Simplify right side
    145,859,810.42x = 18,299,122,860,737,476
  5. Step 5: Solve for x
    x = 18,299,122,860,737,476/145,859,810.42
  6. Step 6: Final answer
    x = 125,456,922.01

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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.