Home / 93,015,871.60-139,523,807.40-28,319,162.80

Finding the Fourth Proportional to 93,015,871.60, 139,523,807.40 and 28,319,162.80

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Solution

The fourth proportional to 93,015,871.60, 139,523,807.40 and 28,319,162.80 is: 42,478,744.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,015,871.60 : 139,523,807.40 = 28,319,162.80 : x
  2. Step 2: Convert to fraction form
    93,015,871.60/139,523,807.40 = 28,319,162.80/x
  3. Step 3: Cross multiply
    93,015,871.60x = 139,523,807.40 × 28,319,162.80
  4. Step 4: Simplify right side
    93,015,871.60x = 3,951,197,416,236,445
  5. Step 5: Solve for x
    x = 3,951,197,416,236,445/93,015,871.60
  6. Step 6: Final answer
    x = 42,478,744.20

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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.