Home / 314,909,683.57-472,310,688.70-84,824,959.87

Finding the Fourth Proportional to 314,909,683.57, 472,310,688.70 and 84,824,959.87

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Solution

The fourth proportional to 314,909,683.57, 472,310,688.70 and 84,824,959.87 is: 127,222,938.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    314,909,683.57 : 472,310,688.70 = 84,824,959.87 : x
  2. Step 2: Convert to fraction form
    314,909,683.57/472,310,688.70 = 84,824,959.87/x
  3. Step 3: Cross multiply
    314,909,683.57x = 472,310,688.70 × 84,824,959.87
  4. Step 4: Simplify right side
    314,909,683.57x = 40,063,735,212,363,880
  5. Step 5: Solve for x
    x = 40,063,735,212,363,880/314,909,683.57
  6. Step 6: Final answer
    x = 127,222,938.21

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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.