Home / 172,152,353.04-258,075,638.88-67,083,369.12

Finding the Fourth Proportional to 172,152,353.04, 258,075,638.88 and 67,083,369.12

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Solution

The fourth proportional to 172,152,353.04, 258,075,638.88 and 67,083,369.12 is: 100,565,476.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,152,353.04 : 258,075,638.88 = 67,083,369.12 : x
  2. Step 2: Convert to fraction form
    172,152,353.04/258,075,638.88 = 67,083,369.12/x
  3. Step 3: Cross multiply
    172,152,353.04x = 258,075,638.88 × 67,083,369.12
  4. Step 4: Simplify right side
    172,152,353.04x = 17,312,583,343,866,862
  5. Step 5: Solve for x
    x = 17,312,583,343,866,862/172,152,353.04
  6. Step 6: Final answer
    x = 100,565,476.09

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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.