Home / 265,742,957.98-398,477,890.41-120,097,631.26

Finding the Fourth Proportional to 265,742,957.98, 398,477,890.41 and 120,097,631.26

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Solution

The fourth proportional to 265,742,957.98, 398,477,890.41 and 120,097,631.26 is: 180,084,737.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,742,957.98 : 398,477,890.41 = 120,097,631.26 : x
  2. Step 2: Convert to fraction form
    265,742,957.98/398,477,890.41 = 120,097,631.26/x
  3. Step 3: Cross multiply
    265,742,957.98x = 398,477,890.41 × 120,097,631.26
  4. Step 4: Simplify right side
    265,742,957.98x = 47,856,250,747,722,872
  5. Step 5: Solve for x
    x = 47,856,250,747,722,872/265,742,957.98
  6. Step 6: Final answer
    x = 180,084,737.19

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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.