Home / 210,070,000.90-315,429,404.55-114,518,512.90

Finding the Fourth Proportional to 210,070,000.90, 315,429,404.55 and 114,518,512.90

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Solution

The fourth proportional to 210,070,000.90, 315,429,404.55 and 114,518,512.90 is: 171,954,615.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,070,000.90 : 315,429,404.55 = 114,518,512.90 : x
  2. Step 2: Convert to fraction form
    210,070,000.90/315,429,404.55 = 114,518,512.90/x
  3. Step 3: Cross multiply
    210,070,000.90x = 315,429,404.55 × 114,518,512.90
  4. Step 4: Simplify right side
    210,070,000.90x = 36,122,506,333,998,496
  5. Step 5: Solve for x
    x = 36,122,506,333,998,496/210,070,000.90
  6. Step 6: Final answer
    x = 171,954,615.98

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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.