Home / 93,014,720.10-139,522,080.15-72,837,209.70

Finding the Fourth Proportional to 93,014,720.10, 139,522,080.15 and 72,837,209.70

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Solution

The fourth proportional to 93,014,720.10, 139,522,080.15 and 72,837,209.70 is: 109,255,814.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,014,720.10 : 139,522,080.15 = 72,837,209.70 : x
  2. Step 2: Convert to fraction form
    93,014,720.10/139,522,080.15 = 72,837,209.70/x
  3. Step 3: Cross multiply
    93,014,720.10x = 139,522,080.15 × 72,837,209.70
  4. Step 4: Simplify right side
    93,014,720.10x = 10,162,399,009,665,758
  5. Step 5: Solve for x
    x = 10,162,399,009,665,758/93,014,720.10
  6. Step 6: Final answer
    x = 109,255,814.55

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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.