Home / 124,525,211.70-186,867,533.70-72,709,714.20

Finding the Fourth Proportional to 124,525,211.70, 186,867,533.70 and 72,709,714.20

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Solution

The fourth proportional to 124,525,211.70, 186,867,533.70 and 72,709,714.20 is: 109,111,117.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,525,211.70 : 186,867,533.70 = 72,709,714.20 : x
  2. Step 2: Convert to fraction form
    124,525,211.70/186,867,533.70 = 72,709,714.20/x
  3. Step 3: Cross multiply
    124,525,211.70x = 186,867,533.70 × 72,709,714.20
  4. Step 4: Simplify right side
    124,525,211.70x = 13,587,084,968,585,868
  5. Step 5: Solve for x
    x = 13,587,084,968,585,868/124,525,211.70
  6. Step 6: Final answer
    x = 109,111,117.20

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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.