Home / 134,039,430.51-184,989,392.13-81,145,282.06

Finding the Fourth Proportional to 134,039,430.51, 184,989,392.13 and 81,145,282.06

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Solution

The fourth proportional to 134,039,430.51, 184,989,392.13 and 81,145,282.06 is: 111,989,556.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,039,430.51 : 184,989,392.13 = 81,145,282.06 : x
  2. Step 2: Convert to fraction form
    134,039,430.51/184,989,392.13 = 81,145,282.06/x
  3. Step 3: Cross multiply
    134,039,430.51x = 184,989,392.13 × 81,145,282.06
  4. Step 4: Simplify right side
    134,039,430.51x = 15,011,016,402,496,794
  5. Step 5: Solve for x
    x = 15,011,016,402,496,794/134,039,430.51
  6. Step 6: Final answer
    x = 111,989,556.70

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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.