Home / 93,312,118.70-139,968,178.05-81,368,182.70

Finding the Fourth Proportional to 93,312,118.70, 139,968,178.05 and 81,368,182.70

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Solution

The fourth proportional to 93,312,118.70, 139,968,178.05 and 81,368,182.70 is: 122,052,274.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,312,118.70 : 139,968,178.05 = 81,368,182.70 : x
  2. Step 2: Convert to fraction form
    93,312,118.70/139,968,178.05 = 81,368,182.70/x
  3. Step 3: Cross multiply
    93,312,118.70x = 139,968,178.05 × 81,368,182.70
  4. Step 4: Simplify right side
    93,312,118.70x = 11,388,956,283,758,532
  5. Step 5: Solve for x
    x = 11,388,956,283,758,532/93,312,118.70
  6. Step 6: Final answer
    x = 122,052,274.05

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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.