Home / 103,477,252,436.80-155,215,878,655.20-56,458,753,979.20

Finding the Fourth Proportional to 103,477,252,436.80, 155,215,878,655.20 and 56,458,753,979.20

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Solution

The fourth proportional to 103,477,252,436.80, 155,215,878,655.20 and 56,458,753,979.20 is: 84,688,130,968.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,477,252,436.80 : 155,215,878,655.20 = 56,458,753,979.20 : x
  2. Step 2: Convert to fraction form
    103,477,252,436.80/155,215,878,655.20 = 56,458,753,979.20/x
  3. Step 3: Cross multiply
    103,477,252,436.80x = 155,215,878,655.20 × 56,458,753,979.20
  4. Step 4: Simplify right side
    103,477,252,436.80x = 8,763,295,106,659,297,263,616
  5. Step 5: Solve for x
    x = 8,763,295,106,659,297,263,616/103,477,252,436.80
  6. Step 6: Final answer
    x = 84,688,130,968.80

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1.5x scale

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.