Home / 163,518,496.20-245,411,588.70-162,243,037.80

Finding the Fourth Proportional to 163,518,496.20, 245,411,588.70 and 162,243,037.80

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Solution

The fourth proportional to 163,518,496.20, 245,411,588.70 and 162,243,037.80 is: 243,497,357.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,518,496.20 : 245,411,588.70 = 162,243,037.80 : x
  2. Step 2: Convert to fraction form
    163,518,496.20/245,411,588.70 = 162,243,037.80/x
  3. Step 3: Cross multiply
    163,518,496.20x = 245,411,588.70 × 162,243,037.80
  4. Step 4: Simplify right side
    163,518,496.20x = 39,816,321,662,012,152
  5. Step 5: Solve for x
    x = 39,816,321,662,012,152/163,518,496.20
  6. Step 6: Final answer
    x = 243,497,357.10

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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.