Home / 165,075,482.60-247,025,358.30-143,744,359.40

Finding the Fourth Proportional to 165,075,482.60, 247,025,358.30 and 143,744,359.40

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Solution

The fourth proportional to 165,075,482.60, 247,025,358.30 and 143,744,359.40 is: 215,104,637.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,075,482.60 : 247,025,358.30 = 143,744,359.40 : x
  2. Step 2: Convert to fraction form
    165,075,482.60/247,025,358.30 = 143,744,359.40/x
  3. Step 3: Cross multiply
    165,075,482.60x = 247,025,358.30 × 143,744,359.40
  4. Step 4: Simplify right side
    165,075,482.60x = 35,508,501,884,388,976
  5. Step 5: Solve for x
    x = 35,508,501,884,388,976/165,075,482.60
  6. Step 6: Final answer
    x = 215,104,637.74

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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.