Home / 208,088,555.40-312,309,780.30-93,249,822.60

Finding the Fourth Proportional to 208,088,555.40, 312,309,780.30 and 93,249,822.60

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Solution

The fourth proportional to 208,088,555.40, 312,309,780.30 and 93,249,822.60 is: 139,954,028.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,088,555.40 : 312,309,780.30 = 93,249,822.60 : x
  2. Step 2: Convert to fraction form
    208,088,555.40/312,309,780.30 = 93,249,822.60/x
  3. Step 3: Cross multiply
    208,088,555.40x = 312,309,780.30 × 93,249,822.60
  4. Step 4: Simplify right side
    208,088,555.40x = 29,122,831,609,219,976
  5. Step 5: Solve for x
    x = 29,122,831,609,219,976/208,088,555.40
  6. Step 6: Final answer
    x = 139,954,028.48

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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.