Home / 93,312,811.60-139,969,217.40-28,616,102.80

Finding the Fourth Proportional to 93,312,811.60, 139,969,217.40 and 28,616,102.80

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Solution

The fourth proportional to 93,312,811.60, 139,969,217.40 and 28,616,102.80 is: 42,924,154.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,312,811.60 : 139,969,217.40 = 28,616,102.80 : x
  2. Step 2: Convert to fraction form
    93,312,811.60/139,969,217.40 = 28,616,102.80/x
  3. Step 3: Cross multiply
    93,312,811.60x = 139,969,217.40 × 28,616,102.80
  4. Step 4: Simplify right side
    93,312,811.60x = 4,005,373,513,953,949
  5. Step 5: Solve for x
    x = 4,005,373,513,953,949/93,312,811.60
  6. Step 6: Final answer
    x = 42,924,154.20

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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.