Home / 109,453,422.72-163,852,816.32-66,191,698.56

Finding the Fourth Proportional to 109,453,422.72, 163,852,816.32 and 66,191,698.56

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Solution

The fourth proportional to 109,453,422.72, 163,852,816.32 and 66,191,698.56 is: 99,089,603.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,453,422.72 : 163,852,816.32 = 66,191,698.56 : x
  2. Step 2: Convert to fraction form
    109,453,422.72/163,852,816.32 = 66,191,698.56/x
  3. Step 3: Cross multiply
    109,453,422.72x = 163,852,816.32 × 66,191,698.56
  4. Step 4: Simplify right side
    109,453,422.72x = 10,845,696,226,060,488
  5. Step 5: Solve for x
    x = 10,845,696,226,060,488/109,453,422.72
  6. Step 6: Final answer
    x = 99,089,603.20

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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.