Home / 147,622,673.30-221,434,009.95-86,148,727.70

Finding the Fourth Proportional to 147,622,673.30, 221,434,009.95 and 86,148,727.70

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Solution

The fourth proportional to 147,622,673.30, 221,434,009.95 and 86,148,727.70 is: 129,223,091.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,622,673.30 : 221,434,009.95 = 86,148,727.70 : x
  2. Step 2: Convert to fraction form
    147,622,673.30/221,434,009.95 = 86,148,727.70/x
  3. Step 3: Cross multiply
    147,622,673.30x = 221,434,009.95 × 86,148,727.70
  4. Step 4: Simplify right side
    147,622,673.30x = 19,076,258,226,701,640
  5. Step 5: Solve for x
    x = 19,076,258,226,701,640/147,622,673.30
  6. Step 6: Final answer
    x = 129,223,091.55

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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.