Home / 118,173,141.91-163,106,145.63-69,296,316.31

Finding the Fourth Proportional to 118,173,141.91, 163,106,145.63 and 69,296,316.31

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Solution

The fourth proportional to 118,173,141.91, 163,106,145.63 and 69,296,316.31 is: 95,644,872.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,173,141.91 : 163,106,145.63 = 69,296,316.31 : x
  2. Step 2: Convert to fraction form
    118,173,141.91/163,106,145.63 = 69,296,316.31/x
  3. Step 3: Cross multiply
    118,173,141.91x = 163,106,145.63 × 69,296,316.31
  4. Step 4: Simplify right side
    118,173,141.91x = 11,302,655,059,681,404
  5. Step 5: Solve for x
    x = 11,302,655,059,681,404/118,173,141.91
  6. Step 6: Final answer
    x = 95,644,872.24

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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.