Home / 289,573,000.64-434,359,587.52-85,101,076.16

Finding the Fourth Proportional to 289,573,000.64, 434,359,587.52 and 85,101,076.16

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Solution

The fourth proportional to 289,573,000.64, 434,359,587.52 and 85,101,076.16 is: 127,651,639.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    289,573,000.64 : 434,359,587.52 = 85,101,076.16 : x
  2. Step 2: Convert to fraction form
    289,573,000.64/434,359,587.52 = 85,101,076.16/x
  3. Step 3: Cross multiply
    289,573,000.64x = 434,359,587.52 × 85,101,076.16
  4. Step 4: Simplify right side
    289,573,000.64x = 36,964,468,338,365,704
  5. Step 5: Solve for x
    x = 36,964,468,338,365,704/289,573,000.64
  6. Step 6: Final answer
    x = 127,651,639.68

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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.