Home / 108,742,280.76-162,983,772.14-75,774,357.36

Finding the Fourth Proportional to 108,742,280.76, 162,983,772.14 and 75,774,357.36

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Solution

The fourth proportional to 108,742,280.76, 162,983,772.14 and 75,774,357.36 is: 113,571,193.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,742,280.76 : 162,983,772.14 = 75,774,357.36 : x
  2. Step 2: Convert to fraction form
    108,742,280.76/162,983,772.14 = 75,774,357.36/x
  3. Step 3: Cross multiply
    108,742,280.76x = 162,983,772.14 × 75,774,357.36
  4. Step 4: Simplify right side
    108,742,280.76x = 12,349,990,593,638,300
  5. Step 5: Solve for x
    x = 12,349,990,593,638,300/108,742,280.76
  6. Step 6: Final answer
    x = 113,571,193.35

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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.