Home / 112,108,140.42-168,237,663.75-39,325,609.86

Finding the Fourth Proportional to 112,108,140.42, 168,237,663.75 and 39,325,609.86

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Solution

The fourth proportional to 112,108,140.42, 168,237,663.75 and 39,325,609.86 is: 59,014,882.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,108,140.42 : 168,237,663.75 = 39,325,609.86 : x
  2. Step 2: Convert to fraction form
    112,108,140.42/168,237,663.75 = 39,325,609.86/x
  3. Step 3: Cross multiply
    112,108,140.42x = 168,237,663.75 × 39,325,609.86
  4. Step 4: Simplify right side
    112,108,140.42x = 6,616,048,728,390,364
  5. Step 5: Solve for x
    x = 6,616,048,728,390,364/112,108,140.42
  6. Step 6: Final answer
    x = 59,014,882.45

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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.