Home / 86,366,404.51-129,572,291.22-31,039,823.30

Finding the Fourth Proportional to 86,366,404.51, 129,572,291.22 and 31,039,823.30

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Solution

The fourth proportional to 86,366,404.51, 129,572,291.22 and 31,039,823.30 is: 46,567,887.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,366,404.51 : 129,572,291.22 = 31,039,823.30 : x
  2. Step 2: Convert to fraction form
    86,366,404.51/129,572,291.22 = 31,039,823.30/x
  3. Step 3: Cross multiply
    86,366,404.51x = 129,572,291.22 × 31,039,823.30
  4. Step 4: Simplify right side
    86,366,404.51x = 4,021,901,023,280,681
  5. Step 5: Solve for x
    x = 4,021,901,023,280,681/86,366,404.51
  6. Step 6: Final answer
    x = 46,567,887.67

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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.