Home / 128,545,307.18-192,792,853.40-41,083,363.08

Finding the Fourth Proportional to 128,545,307.18, 192,792,853.40 and 41,083,363.08

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Solution

The fourth proportional to 128,545,307.18, 192,792,853.40 and 41,083,363.08 is: 61,617,020.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    128,545,307.18 : 192,792,853.40 = 41,083,363.08 : x
  2. Step 2: Convert to fraction form
    128,545,307.18/192,792,853.40 = 41,083,363.08/x
  3. Step 3: Cross multiply
    128,545,307.18x = 192,792,853.40 × 41,083,363.08
  4. Step 4: Simplify right side
    128,545,307.18x = 7,920,578,795,461,412
  5. Step 5: Solve for x
    x = 7,920,578,795,461,412/128,545,307.18
  6. Step 6: Final answer
    x = 61,617,020.25

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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.