Home / 69,439,558.95-104,165,018.15-34,878,189.51

Finding the Fourth Proportional to 69,439,558.95, 104,165,018.15 and 34,878,189.51

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Solution

The fourth proportional to 69,439,558.95, 104,165,018.15 and 34,878,189.51 is: 52,320,137.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,439,558.95 : 104,165,018.15 = 34,878,189.51 : x
  2. Step 2: Convert to fraction form
    69,439,558.95/104,165,018.15 = 34,878,189.51/x
  3. Step 3: Cross multiply
    69,439,558.95x = 104,165,018.15 × 34,878,189.51
  4. Step 4: Simplify right side
    69,439,558.95x = 3,633,087,243,173,898.50
  5. Step 5: Solve for x
    x = 3,633,087,243,173,898.50/69,439,558.95
  6. Step 6: Final answer
    x = 52,320,137.08

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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.