Home / 52,209,733.20-78,239,950.20-38,455,544.40

Finding the Fourth Proportional to 52,209,733.20, 78,239,950.20 and 38,455,544.40

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Solution

The fourth proportional to 52,209,733.20, 78,239,950.20 and 38,455,544.40 is: 57,628,332.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,209,733.20 : 78,239,950.20 = 38,455,544.40 : x
  2. Step 2: Convert to fraction form
    52,209,733.20/78,239,950.20 = 38,455,544.40/x
  3. Step 3: Cross multiply
    52,209,733.20x = 78,239,950.20 × 38,455,544.40
  4. Step 4: Simplify right side
    52,209,733.20x = 3,008,759,878,769,889
  5. Step 5: Solve for x
    x = 3,008,759,878,769,889/52,209,733.20
  6. Step 6: Final answer
    x = 57,628,332.77

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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.