Home / 180,837,554.40-271,319,317.20-78,674,911.20

Finding the Fourth Proportional to 180,837,554.40, 271,319,317.20 and 78,674,911.20

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Solution

The fourth proportional to 180,837,554.40, 271,319,317.20 and 78,674,911.20 is: 118,039,769.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,837,554.40 : 271,319,317.20 = 78,674,911.20 : x
  2. Step 2: Convert to fraction form
    180,837,554.40/271,319,317.20 = 78,674,911.20/x
  3. Step 3: Cross multiply
    180,837,554.40x = 271,319,317.20 × 78,674,911.20
  4. Step 4: Simplify right side
    180,837,554.40x = 21,346,023,187,554,632
  5. Step 5: Solve for x
    x = 21,346,023,187,554,632/180,837,554.40
  6. Step 6: Final answer
    x = 118,039,769.22

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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.