Home / 112,211,445.90-168,423,457.05-69,164,724.90

Finding the Fourth Proportional to 112,211,445.90, 168,423,457.05 and 69,164,724.90

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Solution

The fourth proportional to 112,211,445.90, 168,423,457.05 and 69,164,724.90 is: 103,812,601.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,211,445.90 : 168,423,457.05 = 69,164,724.90 : x
  2. Step 2: Convert to fraction form
    112,211,445.90/168,423,457.05 = 69,164,724.90/x
  3. Step 3: Cross multiply
    112,211,445.90x = 168,423,457.05 × 69,164,724.90
  4. Step 4: Simplify right side
    112,211,445.90x = 11,648,962,073,570,218
  5. Step 5: Solve for x
    x = 11,648,962,073,570,218/112,211,445.90
  6. Step 6: Final answer
    x = 103,812,601.11

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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.