Home / 93,312,078.90-139,968,118.35-74,038,485.30

Finding the Fourth Proportional to 93,312,078.90, 139,968,118.35 and 74,038,485.30

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Solution

The fourth proportional to 93,312,078.90, 139,968,118.35 and 74,038,485.30 is: 111,057,727.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,312,078.90 : 139,968,118.35 = 74,038,485.30 : x
  2. Step 2: Convert to fraction form
    93,312,078.90/139,968,118.35 = 74,038,485.30/x
  3. Step 3: Cross multiply
    93,312,078.90x = 139,968,118.35 × 74,038,485.30
  4. Step 4: Simplify right side
    93,312,078.90x = 10,363,027,472,925,134
  5. Step 5: Solve for x
    x = 10,363,027,472,925,134/93,312,078.90
  6. Step 6: Final answer
    x = 111,057,727.95

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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.