Home / 93,312,143.40-139,968,215.10-74,038,549.80

Finding the Fourth Proportional to 93,312,143.40, 139,968,215.10 and 74,038,549.80

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Solution

The fourth proportional to 93,312,143.40, 139,968,215.10 and 74,038,549.80 is: 111,057,824.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,312,143.40 : 139,968,215.10 = 74,038,549.80 : x
  2. Step 2: Convert to fraction form
    93,312,143.40/139,968,215.10 = 74,038,549.80/x
  3. Step 3: Cross multiply
    93,312,143.40x = 139,968,215.10 × 74,038,549.80
  4. Step 4: Simplify right side
    93,312,143.40x = 10,363,043,664,098,462
  5. Step 5: Solve for x
    x = 10,363,043,664,098,462/93,312,143.40
  6. Step 6: Final answer
    x = 111,057,824.70

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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.