Home / 255,085,754.28-382,400,775.92-99,603,389.58

Finding the Fourth Proportional to 255,085,754.28, 382,400,775.92 and 99,603,389.58

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Solution

The fourth proportional to 255,085,754.28, 382,400,775.92 and 99,603,389.58 is: 149,316,113.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,085,754.28 : 382,400,775.92 = 99,603,389.58 : x
  2. Step 2: Convert to fraction form
    255,085,754.28/382,400,775.92 = 99,603,389.58/x
  3. Step 3: Cross multiply
    255,085,754.28x = 382,400,775.92 × 99,603,389.58
  4. Step 4: Simplify right side
    255,085,754.28x = 38,088,413,459,654,040
  5. Step 5: Solve for x
    x = 38,088,413,459,654,040/255,085,754.28
  6. Step 6: Final answer
    x = 149,316,113.58

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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.