Home / 114,259,937.90-157,726,987.41-77,140,500.16

Finding the Fourth Proportional to 114,259,937.90, 157,726,987.41 and 77,140,500.16

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Solution

The fourth proportional to 114,259,937.90, 157,726,987.41 and 77,140,500.16 is: 106,486,480.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,259,937.90 : 157,726,987.41 = 77,140,500.16 : x
  2. Step 2: Convert to fraction form
    114,259,937.90/157,726,987.41 = 77,140,500.16/x
  3. Step 3: Cross multiply
    114,259,937.90x = 157,726,987.41 × 77,140,500.16
  4. Step 4: Simplify right side
    114,259,937.90x = 12,167,138,697,072,196
  5. Step 5: Solve for x
    x = 12,167,138,697,072,196/114,259,937.90
  6. Step 6: Final answer
    x = 106,486,480.92

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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.