Home / 298,112,457.60-447,168,686.40-93,640,204.80

Finding the Fourth Proportional to 298,112,457.60, 447,168,686.40 and 93,640,204.80

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Solution

The fourth proportional to 298,112,457.60, 447,168,686.40 and 93,640,204.80 is: 140,460,307.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,112,457.60 : 447,168,686.40 = 93,640,204.80 : x
  2. Step 2: Convert to fraction form
    298,112,457.60/447,168,686.40 = 93,640,204.80/x
  3. Step 3: Cross multiply
    298,112,457.60x = 447,168,686.40 × 93,640,204.80
  4. Step 4: Simplify right side
    298,112,457.60x = 41,872,967,374,642,968
  5. Step 5: Solve for x
    x = 41,872,967,374,642,968/298,112,457.60
  6. Step 6: Final answer
    x = 140,460,307.20

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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.