Home / 93,312,128.40-139,968,192.60-32,719,981.20

Finding the Fourth Proportional to 93,312,128.40, 139,968,192.60 and 32,719,981.20

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Solution

The fourth proportional to 93,312,128.40, 139,968,192.60 and 32,719,981.20 is: 49,079,971.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,312,128.40 : 139,968,192.60 = 32,719,981.20 : x
  2. Step 2: Convert to fraction form
    93,312,128.40/139,968,192.60 = 32,719,981.20/x
  3. Step 3: Cross multiply
    93,312,128.40x = 139,968,192.60 × 32,719,981.20
  4. Step 4: Simplify right side
    93,312,128.40x = 4,579,756,630,469,979
  5. Step 5: Solve for x
    x = 4,579,756,630,469,979/93,312,128.40
  6. Step 6: Final answer
    x = 49,079,971.80

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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.