Home / 65,110,166.40-97,680,801.60-19,672,406.40

Finding the Fourth Proportional to 65,110,166.40, 97,680,801.60 and 19,672,406.40

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Solution

The fourth proportional to 65,110,166.40, 97,680,801.60 and 19,672,406.40 is: 29,513,308.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,110,166.40 : 97,680,801.60 = 19,672,406.40 : x
  2. Step 2: Convert to fraction form
    65,110,166.40/97,680,801.60 = 19,672,406.40/x
  3. Step 3: Cross multiply
    65,110,166.40x = 97,680,801.60 × 19,672,406.40
  4. Step 4: Simplify right side
    65,110,166.40x = 1,921,616,426,552,970
  5. Step 5: Solve for x
    x = 1,921,616,426,552,970/65,110,166.40
  6. Step 6: Final answer
    x = 29,513,308.49

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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.