Home / 42,768,017.40-64,152,026.10-14,017,059.30

Finding the Fourth Proportional to 42,768,017.40, 64,152,026.10 and 14,017,059.30

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Solution

The fourth proportional to 42,768,017.40, 64,152,026.10 and 14,017,059.30 is: 21,025,588.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,768,017.40 : 64,152,026.10 = 14,017,059.30 : x
  2. Step 2: Convert to fraction form
    42,768,017.40/64,152,026.10 = 14,017,059.30/x
  3. Step 3: Cross multiply
    42,768,017.40x = 64,152,026.10 × 14,017,059.30
  4. Step 4: Simplify right side
    42,768,017.40x = 899,222,754,058,847.75
  5. Step 5: Solve for x
    x = 899,222,754,058,847.75/42,768,017.40
  6. Step 6: Final answer
    x = 21,025,588.95

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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.