Home / 108,213,859,616.40-162,320,789,424.60-91,477,294,491.60

Finding the Fourth Proportional to 108,213,859,616.40, 162,320,789,424.60 and 91,477,294,491.60

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Solution

The fourth proportional to 108,213,859,616.40, 162,320,789,424.60 and 91,477,294,491.60 is: 137,215,941,737.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,213,859,616.40 : 162,320,789,424.60 = 91,477,294,491.60 : x
  2. Step 2: Convert to fraction form
    108,213,859,616.40/162,320,789,424.60 = 91,477,294,491.60/x
  3. Step 3: Cross multiply
    108,213,859,616.40x = 162,320,789,424.60 × 91,477,294,491.60
  4. Step 4: Simplify right side
    108,213,859,616.40x = 14,848,666,656,303,126,413,312
  5. Step 5: Solve for x
    x = 14,848,666,656,303,126,413,312/108,213,859,616.40
  6. Step 6: Final answer
    x = 137,215,941,737.40

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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.