Home / 112,397,630.48-168,608,009.38-42,426,796.64

Finding the Fourth Proportional to 112,397,630.48, 168,608,009.38 and 42,426,796.64

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Solution

The fourth proportional to 112,397,630.48, 168,608,009.38 and 42,426,796.64 is: 63,644,559.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,397,630.48 : 168,608,009.38 = 42,426,796.64 : x
  2. Step 2: Convert to fraction form
    112,397,630.48/168,608,009.38 = 42,426,796.64/x
  3. Step 3: Cross multiply
    112,397,630.48x = 168,608,009.38 × 42,426,796.64
  4. Step 4: Simplify right side
    112,397,630.48x = 7,153,497,724,971,127
  5. Step 5: Solve for x
    x = 7,153,497,724,971,127/112,397,630.48
  6. Step 6: Final answer
    x = 63,644,559.89

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.