Home / 93,312,072.90-139,968,109.35-74,038,479.30

Finding the Fourth Proportional to 93,312,072.90, 139,968,109.35 and 74,038,479.30

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Solution

The fourth proportional to 93,312,072.90, 139,968,109.35 and 74,038,479.30 is: 111,057,718.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,312,072.90 : 139,968,109.35 = 74,038,479.30 : x
  2. Step 2: Convert to fraction form
    93,312,072.90/139,968,109.35 = 74,038,479.30/x
  3. Step 3: Cross multiply
    93,312,072.90x = 139,968,109.35 × 74,038,479.30
  4. Step 4: Simplify right side
    93,312,072.90x = 10,363,025,966,770,110
  5. Step 5: Solve for x
    x = 10,363,025,966,770,110/93,312,072.90
  6. Step 6: Final answer
    x = 111,057,718.95

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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.