Home / 189,541,581.48-261,577,486.47-105,911,742.26

Finding the Fourth Proportional to 189,541,581.48, 261,577,486.47 and 105,911,742.26

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Solution

The fourth proportional to 189,541,581.48, 261,577,486.47 and 105,911,742.26 is: 146,163,850.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,541,581.48 : 261,577,486.47 = 105,911,742.26 : x
  2. Step 2: Convert to fraction form
    189,541,581.48/261,577,486.47 = 105,911,742.26/x
  3. Step 3: Cross multiply
    189,541,581.48x = 261,577,486.47 × 105,911,742.26
  4. Step 4: Simplify right side
    189,541,581.48x = 27,704,127,326,721,388
  5. Step 5: Solve for x
    x = 27,704,127,326,721,388/189,541,581.48
  6. Step 6: Final answer
    x = 146,163,850.22

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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.