Home / 165,955,688.80-248,933,533.20-70,205,135.20

Finding the Fourth Proportional to 165,955,688.80, 248,933,533.20 and 70,205,135.20

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Solution

The fourth proportional to 165,955,688.80, 248,933,533.20 and 70,205,135.20 is: 105,307,702.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,955,688.80 : 248,933,533.20 = 70,205,135.20 : x
  2. Step 2: Convert to fraction form
    165,955,688.80/248,933,533.20 = 70,205,135.20/x
  3. Step 3: Cross multiply
    165,955,688.80x = 248,933,533.20 × 70,205,135.20
  4. Step 4: Simplify right side
    165,955,688.80x = 17,476,412,354,119,688
  5. Step 5: Solve for x
    x = 17,476,412,354,119,688/165,955,688.80
  6. Step 6: Final answer
    x = 105,307,702.80

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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.