Home / 86,943,739.15-130,415,608.73-52,931,515.15

Finding the Fourth Proportional to 86,943,739.15, 130,415,608.73 and 52,931,515.15

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Solution

The fourth proportional to 86,943,739.15, 130,415,608.73 and 52,931,515.15 is: 79,397,272.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,943,739.15 : 130,415,608.73 = 52,931,515.15 : x
  2. Step 2: Convert to fraction form
    86,943,739.15/130,415,608.73 = 52,931,515.15/x
  3. Step 3: Cross multiply
    86,943,739.15x = 130,415,608.73 × 52,931,515.15
  4. Step 4: Simplify right side
    86,943,739.15x = 6,903,095,769,023,809
  5. Step 5: Solve for x
    x = 6,903,095,769,023,809/86,943,739.15
  6. Step 6: Final answer
    x = 79,397,272.73

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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.