Home / 128,879,783.88-193,259,740.14-46,941,620.28

Finding the Fourth Proportional to 128,879,783.88, 193,259,740.14 and 46,941,620.28

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Solution

The fourth proportional to 128,879,783.88, 193,259,740.14 and 46,941,620.28 is: 70,390,600.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    128,879,783.88 : 193,259,740.14 = 46,941,620.28 : x
  2. Step 2: Convert to fraction form
    128,879,783.88/193,259,740.14 = 46,941,620.28/x
  3. Step 3: Cross multiply
    128,879,783.88x = 193,259,740.14 × 46,941,620.28
  4. Step 4: Simplify right side
    128,879,783.88x = 9,071,925,337,063,354
  5. Step 5: Solve for x
    x = 9,071,925,337,063,354/128,879,783.88
  6. Step 6: Final answer
    x = 70,390,600.17

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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.