Home / 104,963,555.80-157,445,333.70-66,794,282.20

Finding the Fourth Proportional to 104,963,555.80, 157,445,333.70 and 66,794,282.20

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Solution

The fourth proportional to 104,963,555.80, 157,445,333.70 and 66,794,282.20 is: 100,191,423.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,963,555.80 : 157,445,333.70 = 66,794,282.20 : x
  2. Step 2: Convert to fraction form
    104,963,555.80/157,445,333.70 = 66,794,282.20/x
  3. Step 3: Cross multiply
    104,963,555.80x = 157,445,333.70 × 66,794,282.20
  4. Step 4: Simplify right side
    104,963,555.80x = 10,516,448,050,230,970
  5. Step 5: Solve for x
    x = 10,516,448,050,230,970/104,963,555.80
  6. Step 6: Final answer
    x = 100,191,423.30

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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.