Home / 86,934,405.90-130,401,608.85-56,701,317.90

Finding the Fourth Proportional to 86,934,405.90, 130,401,608.85 and 56,701,317.90

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Solution

The fourth proportional to 86,934,405.90, 130,401,608.85 and 56,701,317.90 is: 85,051,976.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,934,405.90 : 130,401,608.85 = 56,701,317.90 : x
  2. Step 2: Convert to fraction form
    86,934,405.90/130,401,608.85 = 56,701,317.90/x
  3. Step 3: Cross multiply
    86,934,405.90x = 130,401,608.85 × 56,701,317.90
  4. Step 4: Simplify right side
    86,934,405.90x = 7,393,943,078,075,303
  5. Step 5: Solve for x
    x = 7,393,943,078,075,303/86,934,405.90
  6. Step 6: Final answer
    x = 85,051,976.85

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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.