Home / 75,466,436.40-104,143,056.01-42,426,832.79

Finding the Fourth Proportional to 75,466,436.40, 104,143,056.01 and 42,426,832.79

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Solution

The fourth proportional to 75,466,436.40, 104,143,056.01 and 42,426,832.79 is: 58,548,677.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,466,436.40 : 104,143,056.01 = 42,426,832.79 : x
  2. Step 2: Convert to fraction form
    75,466,436.40/104,143,056.01 = 42,426,832.79/x
  3. Step 3: Cross multiply
    75,466,436.40x = 104,143,056.01 × 42,426,832.79
  4. Step 4: Simplify right side
    75,466,436.40x = 4,418,460,023,730,164.50
  5. Step 5: Solve for x
    x = 4,418,460,023,730,164.50/75,466,436.40
  6. Step 6: Final answer
    x = 58,548,677.19

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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.