Home / 108,437,187,746.40-162,655,781,619.60-38,618,909,858.40

Finding the Fourth Proportional to 108,437,187,746.40, 162,655,781,619.60 and 38,618,909,858.40

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Solution

The fourth proportional to 108,437,187,746.40, 162,655,781,619.60 and 38,618,909,858.40 is: 57,928,364,787.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,437,187,746.40 : 162,655,781,619.60 = 38,618,909,858.40 : x
  2. Step 2: Convert to fraction form
    108,437,187,746.40/162,655,781,619.60 = 38,618,909,858.40/x
  3. Step 3: Cross multiply
    108,437,187,746.40x = 162,655,781,619.60 × 38,618,909,858.40
  4. Step 4: Simplify right side
    108,437,187,746.40x = 6,281,588,968,314,928,889,856
  5. Step 5: Solve for x
    x = 6,281,588,968,314,928,889,856/108,437,187,746.40
  6. Step 6: Final answer
    x = 57,928,364,787.60

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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.