Home / 143,878,303.80-215,819,424.54-46,834,422.12

Finding the Fourth Proportional to 143,878,303.80, 215,819,424.54 and 46,834,422.12

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Solution

The fourth proportional to 143,878,303.80, 215,819,424.54 and 46,834,422.12 is: 70,252,274.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,878,303.80 : 215,819,424.54 = 46,834,422.12 : x
  2. Step 2: Convert to fraction form
    143,878,303.80/215,819,424.54 = 46,834,422.12/x
  3. Step 3: Cross multiply
    143,878,303.80x = 215,819,424.54 × 46,834,422.12
  4. Step 4: Simplify right side
    143,878,303.80x = 10,107,778,030,601,846
  5. Step 5: Solve for x
    x = 10,107,778,030,601,846/143,878,303.80
  6. Step 6: Final answer
    x = 70,252,274.07

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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.