Home / 141,192,331.60-211,637,815.80-80,477,323.60

Finding the Fourth Proportional to 141,192,331.60, 211,637,815.80 and 80,477,323.60

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Solution

The fourth proportional to 141,192,331.60, 211,637,815.80 and 80,477,323.60 is: 120,630,099.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,192,331.60 : 211,637,815.80 = 80,477,323.60 : x
  2. Step 2: Convert to fraction form
    141,192,331.60/211,637,815.80 = 80,477,323.60/x
  3. Step 3: Cross multiply
    141,192,331.60x = 211,637,815.80 × 80,477,323.60
  4. Step 4: Simplify right side
    141,192,331.60x = 17,032,044,988,133,792
  5. Step 5: Solve for x
    x = 17,032,044,988,133,792/141,192,331.60
  6. Step 6: Final answer
    x = 120,630,099.35

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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.