Home / 64,772,612.20-97,169,804.70-19,338,999.40

Finding the Fourth Proportional to 64,772,612.20, 97,169,804.70 and 19,338,999.40

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Solution

The fourth proportional to 64,772,612.20, 97,169,804.70 and 19,338,999.40 is: 29,011,749.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,772,612.20 : 97,169,804.70 = 19,338,999.40 : x
  2. Step 2: Convert to fraction form
    64,772,612.20/97,169,804.70 = 19,338,999.40/x
  3. Step 3: Cross multiply
    64,772,612.20x = 97,169,804.70 × 19,338,999.40
  4. Step 4: Simplify right side
    64,772,612.20x = 1,879,166,794,791,417
  5. Step 5: Solve for x
    x = 1,879,166,794,791,417/64,772,612.20
  6. Step 6: Final answer
    x = 29,011,749.43

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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.