Home / 70,009,813.10-105,014,719.65-60,572,629.10

Finding the Fourth Proportional to 70,009,813.10, 105,014,719.65 and 60,572,629.10

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Solution

The fourth proportional to 70,009,813.10, 105,014,719.65 and 60,572,629.10 is: 90,858,943.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,009,813.10 : 105,014,719.65 = 60,572,629.10 : x
  2. Step 2: Convert to fraction form
    70,009,813.10/105,014,719.65 = 60,572,629.10/x
  3. Step 3: Cross multiply
    70,009,813.10x = 105,014,719.65 × 60,572,629.10
  4. Step 4: Simplify right side
    70,009,813.10x = 6,361,017,663,399,932
  5. Step 5: Solve for x
    x = 6,361,017,663,399,932/70,009,813.10
  6. Step 6: Final answer
    x = 90,858,943.65

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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.