Home / 147,632,427.80-221,448,641.70-140,242,117.40

Finding the Fourth Proportional to 147,632,427.80, 221,448,641.70 and 140,242,117.40

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Solution

The fourth proportional to 147,632,427.80, 221,448,641.70 and 140,242,117.40 is: 210,363,176.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,632,427.80 : 221,448,641.70 = 140,242,117.40 : x
  2. Step 2: Convert to fraction form
    147,632,427.80/221,448,641.70 = 140,242,117.40/x
  3. Step 3: Cross multiply
    147,632,427.80x = 221,448,641.70 × 140,242,117.40
  4. Step 4: Simplify right side
    147,632,427.80x = 31,056,426,407,361,936
  5. Step 5: Solve for x
    x = 31,056,426,407,361,936/147,632,427.80
  6. Step 6: Final answer
    x = 210,363,176.10

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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.