Home / 86,925,675.20-130,388,512.80-52,488,298.40

Finding the Fourth Proportional to 86,925,675.20, 130,388,512.80 and 52,488,298.40

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Solution

The fourth proportional to 86,925,675.20, 130,388,512.80 and 52,488,298.40 is: 78,732,447.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,925,675.20 : 130,388,512.80 = 52,488,298.40 : x
  2. Step 2: Convert to fraction form
    86,925,675.20/130,388,512.80 = 52,488,298.40/x
  3. Step 3: Cross multiply
    86,925,675.20x = 130,388,512.80 × 52,488,298.40
  4. Step 4: Simplify right side
    86,925,675.20x = 6,843,871,167,778,619
  5. Step 5: Solve for x
    x = 6,843,871,167,778,619/86,925,675.20
  6. Step 6: Final answer
    x = 78,732,447.60

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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.