Home / 190,058,766.48-285,130,140.12-68,887,069.20

Finding the Fourth Proportional to 190,058,766.48, 285,130,140.12 and 68,887,069.20

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Solution

The fourth proportional to 190,058,766.48, 285,130,140.12 and 68,887,069.20 is: 103,345,823.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,058,766.48 : 285,130,140.12 = 68,887,069.20 : x
  2. Step 2: Convert to fraction form
    190,058,766.48/285,130,140.12 = 68,887,069.20/x
  3. Step 3: Cross multiply
    190,058,766.48x = 285,130,140.12 × 68,887,069.20
  4. Step 4: Simplify right side
    190,058,766.48x = 19,641,779,693,452,136
  5. Step 5: Solve for x
    x = 19,641,779,693,452,136/190,058,766.48
  6. Step 6: Final answer
    x = 103,345,823.28

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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.