Home / 126,029,490.40-189,044,235.60-39,776,616.10

Finding the Fourth Proportional to 126,029,490.40, 189,044,235.60 and 39,776,616.10

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Solution

The fourth proportional to 126,029,490.40, 189,044,235.60 and 39,776,616.10 is: 59,664,924.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,029,490.40 : 189,044,235.60 = 39,776,616.10 : x
  2. Step 2: Convert to fraction form
    126,029,490.40/189,044,235.60 = 39,776,616.10/x
  3. Step 3: Cross multiply
    126,029,490.40x = 189,044,235.60 × 39,776,616.10
  4. Step 4: Simplify right side
    126,029,490.40x = 7,519,539,985,379,153
  5. Step 5: Solve for x
    x = 7,519,539,985,379,153/126,029,490.40
  6. Step 6: Final answer
    x = 59,664,924.15

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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.