Home / 347,474,281.12-521,095,683.84-140,159,148.64

Finding the Fourth Proportional to 347,474,281.12, 521,095,683.84 and 140,159,148.64

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Solution

The fourth proportional to 347,474,281.12, 521,095,683.84 and 140,159,148.64 is: 210,192,038.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,474,281.12 : 521,095,683.84 = 140,159,148.64 : x
  2. Step 2: Convert to fraction form
    347,474,281.12/521,095,683.84 = 140,159,148.64/x
  3. Step 3: Cross multiply
    347,474,281.12x = 521,095,683.84 × 140,159,148.64
  4. Step 4: Simplify right side
    347,474,281.12x = 73,036,327,406,992,992
  5. Step 5: Solve for x
    x = 73,036,327,406,992,992/347,474,281.12
  6. Step 6: Final answer
    x = 210,192,038.30

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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.