Home / 163,211,312.70-244,816,969.05-42,042,764.70

Finding the Fourth Proportional to 163,211,312.70, 244,816,969.05 and 42,042,764.70

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Solution

The fourth proportional to 163,211,312.70, 244,816,969.05 and 42,042,764.70 is: 63,064,147.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,211,312.70 : 244,816,969.05 = 42,042,764.70 : x
  2. Step 2: Convert to fraction form
    163,211,312.70/244,816,969.05 = 42,042,764.70/x
  3. Step 3: Cross multiply
    163,211,312.70x = 244,816,969.05 × 42,042,764.70
  4. Step 4: Simplify right side
    163,211,312.70x = 10,292,782,224,336,334
  5. Step 5: Solve for x
    x = 10,292,782,224,336,334/163,211,312.70
  6. Step 6: Final answer
    x = 63,064,147.05

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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.