Home / 87,366,970.40-131,050,455.60-53,354,746.40

Finding the Fourth Proportional to 87,366,970.40, 131,050,455.60 and 53,354,746.40

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Solution

The fourth proportional to 87,366,970.40, 131,050,455.60 and 53,354,746.40 is: 80,032,119.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,366,970.40 : 131,050,455.60 = 53,354,746.40 : x
  2. Step 2: Convert to fraction form
    87,366,970.40/131,050,455.60 = 53,354,746.40/x
  3. Step 3: Cross multiply
    87,366,970.40x = 131,050,455.60 × 53,354,746.40
  4. Step 4: Simplify right side
    87,366,970.40x = 6,992,163,824,142,459
  5. Step 5: Solve for x
    x = 6,992,163,824,142,459/87,366,970.40
  6. Step 6: Final answer
    x = 80,032,119.60

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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.