Home / 113,956,051.22-157,313,572.43-76,343,978.71

Finding the Fourth Proportional to 113,956,051.22, 157,313,572.43 and 76,343,978.71

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Solution

The fourth proportional to 113,956,051.22, 157,313,572.43 and 76,343,978.71 is: 105,391,016.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,956,051.22 : 157,313,572.43 = 76,343,978.71 : x
  2. Step 2: Convert to fraction form
    113,956,051.22/157,313,572.43 = 76,343,978.71/x
  3. Step 3: Cross multiply
    113,956,051.22x = 157,313,572.43 × 76,343,978.71
  4. Step 4: Simplify right side
    113,956,051.22x = 12,009,944,024,389,962
  5. Step 5: Solve for x
    x = 12,009,944,024,389,962/113,956,051.22
  6. Step 6: Final answer
    x = 105,391,016.06

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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.