Home / 172,152,281.04-258,075,530.88-67,083,297.12

Finding the Fourth Proportional to 172,152,281.04, 258,075,530.88 and 67,083,297.12

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Solution

The fourth proportional to 172,152,281.04, 258,075,530.88 and 67,083,297.12 is: 100,565,368.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,152,281.04 : 258,075,530.88 = 67,083,297.12 : x
  2. Step 2: Convert to fraction form
    172,152,281.04/258,075,530.88 = 67,083,297.12/x
  3. Step 3: Cross multiply
    172,152,281.04x = 258,075,530.88 × 67,083,297.12
  4. Step 4: Simplify right side
    172,152,281.04x = 17,312,557,517,424,774
  5. Step 5: Solve for x
    x = 17,312,557,517,424,774/172,152,281.04
  6. Step 6: Final answer
    x = 100,565,368.13

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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.