Home / 238,528,012.60-357,792,018.90-211,318,233.40

Finding the Fourth Proportional to 238,528,012.60, 357,792,018.90 and 211,318,233.40

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Solution

The fourth proportional to 238,528,012.60, 357,792,018.90 and 211,318,233.40 is: 316,977,350.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,528,012.60 : 357,792,018.90 = 211,318,233.40 : x
  2. Step 2: Convert to fraction form
    238,528,012.60/357,792,018.90 = 211,318,233.40/x
  3. Step 3: Cross multiply
    238,528,012.60x = 357,792,018.90 × 211,318,233.40
  4. Step 4: Simplify right side
    238,528,012.60x = 75,607,977,358,567,408
  5. Step 5: Solve for x
    x = 75,607,977,358,567,408/238,528,012.60
  6. Step 6: Final answer
    x = 316,977,350.10

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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.