Home / 65,270,916-97,872,681.40-19,206,798.66

Finding the Fourth Proportional to 65,270,916, 97,872,681.40 and 19,206,798.66

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Solution

The fourth proportional to 65,270,916, 97,872,681.40 and 19,206,798.66 is: 28,800,283.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,270,916 : 97,872,681.40 = 19,206,798.66 : x
  2. Step 2: Convert to fraction form
    65,270,916/97,872,681.40 = 19,206,798.66/x
  3. Step 3: Cross multiply
    65,270,916x = 97,872,681.40 × 19,206,798.66
  4. Step 4: Simplify right side
    65,270,916x = 1,879,820,885,916,109.75
  5. Step 5: Solve for x
    x = 1,879,820,885,916,109.75/65,270,916
  6. Step 6: Final answer
    x = 28,800,283.51

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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.