Home / 86,925,643.70-130,388,465.55-52,488,266.90

Finding the Fourth Proportional to 86,925,643.70, 130,388,465.55 and 52,488,266.90

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Solution

The fourth proportional to 86,925,643.70, 130,388,465.55 and 52,488,266.90 is: 78,732,400.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,925,643.70 : 130,388,465.55 = 52,488,266.90 : x
  2. Step 2: Convert to fraction form
    86,925,643.70/130,388,465.55 = 52,488,266.90/x
  3. Step 3: Cross multiply
    86,925,643.70x = 130,388,465.55 × 52,488,266.90
  4. Step 4: Simplify right side
    86,925,643.70x = 6,843,864,580,469,855
  5. Step 5: Solve for x
    x = 6,843,864,580,469,855/86,925,643.70
  6. Step 6: Final answer
    x = 78,732,400.35

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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.