Home / 65,192,813.80-97,789,220.70-19,748,703.40

Finding the Fourth Proportional to 65,192,813.80, 97,789,220.70 and 19,748,703.40

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Solution

The fourth proportional to 65,192,813.80, 97,789,220.70 and 19,748,703.40 is: 29,623,055.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,192,813.80 : 97,789,220.70 = 19,748,703.40 : x
  2. Step 2: Convert to fraction form
    65,192,813.80/97,789,220.70 = 19,748,703.40/x
  3. Step 3: Cross multiply
    65,192,813.80x = 97,789,220.70 × 19,748,703.40
  4. Step 4: Simplify right side
    65,192,813.80x = 1,931,210,315,321,440.25
  5. Step 5: Solve for x
    x = 1,931,210,315,321,440.25/65,192,813.80
  6. Step 6: Final answer
    x = 29,623,055.10

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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.