Home / 286,065,349.22-394,746,017.93-173,076,938.17

Finding the Fourth Proportional to 286,065,349.22, 394,746,017.93 and 173,076,938.17

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Solution

The fourth proportional to 286,065,349.22, 394,746,017.93 and 173,076,938.17 is: 238,831,554.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,065,349.22 : 394,746,017.93 = 173,076,938.17 : x
  2. Step 2: Convert to fraction form
    286,065,349.22/394,746,017.93 = 173,076,938.17/x
  3. Step 3: Cross multiply
    286,065,349.22x = 394,746,017.93 × 173,076,938.17
  4. Step 4: Simplify right side
    286,065,349.22x = 68,321,432,136,272,072
  5. Step 5: Solve for x
    x = 68,321,432,136,272,072/286,065,349.22
  6. Step 6: Final answer
    x = 238,831,554.82

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.