Home / 228,518,911.94-315,452,627.89-154,280,023.85

Finding the Fourth Proportional to 228,518,911.94, 315,452,627.89 and 154,280,023.85

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Solution

The fourth proportional to 228,518,911.94, 315,452,627.89 and 154,280,023.85 is: 212,971,602.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,518,911.94 : 315,452,627.89 = 154,280,023.85 : x
  2. Step 2: Convert to fraction form
    228,518,911.94/315,452,627.89 = 154,280,023.85/x
  3. Step 3: Cross multiply
    228,518,911.94x = 315,452,627.89 × 154,280,023.85
  4. Step 4: Simplify right side
    228,518,911.94x = 48,668,038,954,817,304
  5. Step 5: Solve for x
    x = 48,668,038,954,817,304/228,518,911.94
  6. Step 6: Final answer
    x = 212,971,602.84

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