Home / 86,943,958.40-130,415,937.60-52,931,734.40

Finding the Fourth Proportional to 86,943,958.40, 130,415,937.60 and 52,931,734.40

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Solution

The fourth proportional to 86,943,958.40, 130,415,937.60 and 52,931,734.40 is: 79,397,601.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,943,958.40 : 130,415,937.60 = 52,931,734.40 : x
  2. Step 2: Convert to fraction form
    86,943,958.40/130,415,937.60 = 52,931,734.40/x
  3. Step 3: Cross multiply
    86,943,958.40x = 130,415,937.60 × 52,931,734.40
  4. Step 4: Simplify right side
    86,943,958.40x = 6,903,141,770,570,173
  5. Step 5: Solve for x
    x = 6,903,141,770,570,173/86,943,958.40
  6. Step 6: Final answer
    x = 79,397,601.60

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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.