Home / 143,598,159.40-215,398,467.90-47,860,047.40

Finding the Fourth Proportional to 143,598,159.40, 215,398,467.90 and 47,860,047.40

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Solution

The fourth proportional to 143,598,159.40, 215,398,467.90 and 47,860,047.40 is: 71,790,480.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,598,159.40 : 215,398,467.90 = 47,860,047.40 : x
  2. Step 2: Convert to fraction form
    143,598,159.40/215,398,467.90 = 47,860,047.40/x
  3. Step 3: Cross multiply
    143,598,159.40x = 215,398,467.90 × 47,860,047.40
  4. Step 4: Simplify right side
    143,598,159.40x = 10,308,980,883,581,378
  5. Step 5: Solve for x
    x = 10,308,980,883,581,378/143,598,159.40
  6. Step 6: Final answer
    x = 71,790,480.65

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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.