Home / 60,459,730.48-90,686,840.10-19,521,058.78

Finding the Fourth Proportional to 60,459,730.48, 90,686,840.10 and 19,521,058.78

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Solution

The fourth proportional to 60,459,730.48, 90,686,840.10 and 19,521,058.78 is: 29,280,698.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,459,730.48 : 90,686,840.10 = 19,521,058.78 : x
  2. Step 2: Convert to fraction form
    60,459,730.48/90,686,840.10 = 19,521,058.78/x
  3. Step 3: Cross multiply
    60,459,730.48x = 90,686,840.10 × 19,521,058.78
  4. Step 4: Simplify right side
    60,459,730.48x = 1,770,303,136,164,561
  5. Step 5: Solve for x
    x = 1,770,303,136,164,561/60,459,730.48
  6. Step 6: Final answer
    x = 29,280,698.44

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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.