Home / 65,289,637.80-97,850,475.90-39,703,487.40

Finding the Fourth Proportional to 65,289,637.80, 97,850,475.90 and 39,703,487.40

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Solution

The fourth proportional to 65,289,637.80, 97,850,475.90 and 39,703,487.40 is: 59,504,161.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,289,637.80 : 97,850,475.90 = 39,703,487.40 : x
  2. Step 2: Convert to fraction form
    65,289,637.80/97,850,475.90 = 39,703,487.40/x
  3. Step 3: Cross multiply
    65,289,637.80x = 97,850,475.90 × 39,703,487.40
  4. Step 4: Simplify right side
    65,289,637.80x = 3,885,005,136,979,654
  5. Step 5: Solve for x
    x = 3,885,005,136,979,654/65,289,637.80
  6. Step 6: Final answer
    x = 59,504,161.27

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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.