Home / 212,051,518.75-318,041,848.18-58,713,075.55

Finding the Fourth Proportional to 212,051,518.75, 318,041,848.18 and 58,713,075.55

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Solution

The fourth proportional to 212,051,518.75, 318,041,848.18 and 58,713,075.55 is: 88,059,803.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,051,518.75 : 318,041,848.18 = 58,713,075.55 : x
  2. Step 2: Convert to fraction form
    212,051,518.75/318,041,848.18 = 58,713,075.55/x
  3. Step 3: Cross multiply
    212,051,518.75x = 318,041,848.18 × 58,713,075.55
  4. Step 4: Simplify right side
    212,051,518.75x = 18,673,215,059,532,256
  5. Step 5: Solve for x
    x = 18,673,215,059,532,256/212,051,518.75
  6. Step 6: Final answer
    x = 88,059,803.44

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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.