Home / 147,684,518.80-221,726,232.60-86,336,544.40

Finding the Fourth Proportional to 147,684,518.80, 221,726,232.60 and 86,336,544.40

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Solution

The fourth proportional to 147,684,518.80, 221,726,232.60 and 86,336,544.40 is: 129,621,417.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,684,518.80 : 221,726,232.60 = 86,336,544.40 : x
  2. Step 2: Convert to fraction form
    147,684,518.80/221,726,232.60 = 86,336,544.40/x
  3. Step 3: Cross multiply
    147,684,518.80x = 221,726,232.60 × 86,336,544.40
  4. Step 4: Simplify right side
    147,684,518.80x = 19,143,076,725,514,628
  5. Step 5: Solve for x
    x = 19,143,076,725,514,628/147,684,518.80
  6. Step 6: Final answer
    x = 129,621,417.88

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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.