Home / 125,412,335.84-188,142,729.76-47,683,196.32

Finding the Fourth Proportional to 125,412,335.84, 188,142,729.76 and 47,683,196.32

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Solution

The fourth proportional to 125,412,335.84, 188,142,729.76 and 47,683,196.32 is: 71,534,005.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,412,335.84 : 188,142,729.76 = 47,683,196.32 : x
  2. Step 2: Convert to fraction form
    125,412,335.84/188,142,729.76 = 47,683,196.32/x
  3. Step 3: Cross multiply
    125,412,335.84x = 188,142,729.76 × 47,683,196.32
  4. Step 4: Simplify right side
    125,412,335.84x = 8,971,246,719,326,786
  5. Step 5: Solve for x
    x = 8,971,246,719,326,786/125,412,335.84
  6. Step 6: Final answer
    x = 71,534,005.48

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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.