Home / 238,528,008.10-357,792,012.15-211,318,228.90

Finding the Fourth Proportional to 238,528,008.10, 357,792,012.15 and 211,318,228.90

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Solution

The fourth proportional to 238,528,008.10, 357,792,012.15 and 211,318,228.90 is: 316,977,343.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,528,008.10 : 357,792,012.15 = 211,318,228.90 : x
  2. Step 2: Convert to fraction form
    238,528,008.10/357,792,012.15 = 211,318,228.90/x
  3. Step 3: Cross multiply
    238,528,008.10x = 357,792,012.15 × 211,318,228.90
  4. Step 4: Simplify right side
    238,528,008.10x = 75,607,974,322,105,280
  5. Step 5: Solve for x
    x = 75,607,974,322,105,280/238,528,008.10
  6. Step 6: Final answer
    x = 316,977,343.35

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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.