Home / 153,160,386.87-211,362,682.82-83,546,077.35

Finding the Fourth Proportional to 153,160,386.87, 211,362,682.82 and 83,546,077.35

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Solution

The fourth proportional to 153,160,386.87, 211,362,682.82 and 83,546,077.35 is: 115,294,322.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,160,386.87 : 211,362,682.82 = 83,546,077.35 : x
  2. Step 2: Convert to fraction form
    153,160,386.87/211,362,682.82 = 83,546,077.35/x
  3. Step 3: Cross multiply
    153,160,386.87x = 211,362,682.82 × 83,546,077.35
  4. Step 4: Simplify right side
    153,160,386.87x = 17,658,523,047,783,234
  5. Step 5: Solve for x
    x = 17,658,523,047,783,234/153,160,386.87
  6. Step 6: Final answer
    x = 115,294,322.56

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.