Home / 103,477,252,439.80-155,215,878,659.70-56,458,753,982.20

Finding the Fourth Proportional to 103,477,252,439.80, 155,215,878,659.70 and 56,458,753,982.20

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Solution

The fourth proportional to 103,477,252,439.80, 155,215,878,659.70 and 56,458,753,982.20 is: 84,688,130,973.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,477,252,439.80 : 155,215,878,659.70 = 56,458,753,982.20 : x
  2. Step 2: Convert to fraction form
    103,477,252,439.80/155,215,878,659.70 = 56,458,753,982.20/x
  3. Step 3: Cross multiply
    103,477,252,439.80x = 155,215,878,659.70 × 56,458,753,982.20
  4. Step 4: Simplify right side
    103,477,252,439.80x = 8,763,295,107,379,009,421,312
  5. Step 5: Solve for x
    x = 8,763,295,107,379,009,421,312/103,477,252,439.80
  6. Step 6: Final answer
    x = 84,688,130,973.30

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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.