Home / 66,112,208.20-99,168,312.30-55,530,627.40

Finding the Fourth Proportional to 66,112,208.20, 99,168,312.30 and 55,530,627.40

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Solution

The fourth proportional to 66,112,208.20, 99,168,312.30 and 55,530,627.40 is: 83,295,941.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,112,208.20 : 99,168,312.30 = 55,530,627.40 : x
  2. Step 2: Convert to fraction form
    66,112,208.20/99,168,312.30 = 55,530,627.40/x
  3. Step 3: Cross multiply
    66,112,208.20x = 99,168,312.30 × 55,530,627.40
  4. Step 4: Simplify right side
    66,112,208.20x = 5,506,878,600,218,137
  5. Step 5: Solve for x
    x = 5,506,878,600,218,137/66,112,208.20
  6. Step 6: Final answer
    x = 83,295,941.10

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1.5x scale

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.