Home / 86,209,289.42-129,201,653.54-35,031,477.38

Finding the Fourth Proportional to 86,209,289.42, 129,201,653.54 and 35,031,477.38

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Solution

The fourth proportional to 86,209,289.42, 129,201,653.54 and 35,031,477.38 is: 52,501,590.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,209,289.42 : 129,201,653.54 = 35,031,477.38 : x
  2. Step 2: Convert to fraction form
    86,209,289.42/129,201,653.54 = 35,031,477.38/x
  3. Step 3: Cross multiply
    86,209,289.42x = 129,201,653.54 × 35,031,477.38
  4. Step 4: Simplify right side
    86,209,289.42x = 4,526,124,802,886,677
  5. Step 5: Solve for x
    x = 4,526,124,802,886,677/86,209,289.42
  6. Step 6: Final answer
    x = 52,501,590.42

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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.