Home / 108,437,187,736.40-162,655,781,604.60-38,618,909,848.40

Finding the Fourth Proportional to 108,437,187,736.40, 162,655,781,604.60 and 38,618,909,848.40

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Solution

The fourth proportional to 108,437,187,736.40, 162,655,781,604.60 and 38,618,909,848.40 is: 57,928,364,772.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,437,187,736.40 : 162,655,781,604.60 = 38,618,909,848.40 : x
  2. Step 2: Convert to fraction form
    108,437,187,736.40/162,655,781,604.60 = 38,618,909,848.40/x
  3. Step 3: Cross multiply
    108,437,187,736.40x = 162,655,781,604.60 × 38,618,909,848.40
  4. Step 4: Simplify right side
    108,437,187,736.40x = 6,281,588,966,109,086,744,576
  5. Step 5: Solve for x
    x = 6,281,588,966,109,086,744,576/108,437,187,736.40
  6. Step 6: Final answer
    x = 57,928,364,772.60

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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.