Home / 103,963,586.52-143,464,065.52-56,911,557.76

Finding the Fourth Proportional to 103,963,586.52, 143,464,065.52 and 56,911,557.76

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Solution

The fourth proportional to 103,963,586.52, 143,464,065.52 and 56,911,557.76 is: 78,534,838.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,963,586.52 : 143,464,065.52 = 56,911,557.76 : x
  2. Step 2: Convert to fraction form
    103,963,586.52/143,464,065.52 = 56,911,557.76/x
  3. Step 3: Cross multiply
    103,963,586.52x = 143,464,065.52 × 56,911,557.76
  4. Step 4: Simplify right side
    103,963,586.52x = 8,164,763,451,325,905
  5. Step 5: Solve for x
    x = 8,164,763,451,325,905/103,963,586.52
  6. Step 6: Final answer
    x = 78,534,838.25

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.