Home / 86,134,460.80-129,064,609.60-60,275,722.56

Finding the Fourth Proportional to 86,134,460.80, 129,064,609.60 and 60,275,722.56

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Solution

The fourth proportional to 86,134,460.80, 129,064,609.60 and 60,275,722.56 is: 90,317,656.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,134,460.80 : 129,064,609.60 = 60,275,722.56 : x
  2. Step 2: Convert to fraction form
    86,134,460.80/129,064,609.60 = 60,275,722.56/x
  3. Step 3: Cross multiply
    86,134,460.80x = 129,064,609.60 × 60,275,722.56
  4. Step 4: Simplify right side
    86,134,460.80x = 7,779,462,600,564,313
  5. Step 5: Solve for x
    x = 7,779,462,600,564,313/86,134,460.80
  6. Step 6: Final answer
    x = 90,317,656.00

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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.