Home / 93,312,677.70-139,969,016.55-81,975,269.70

Finding the Fourth Proportional to 93,312,677.70, 139,969,016.55 and 81,975,269.70

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Solution

The fourth proportional to 93,312,677.70, 139,969,016.55 and 81,975,269.70 is: 122,962,904.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,312,677.70 : 139,969,016.55 = 81,975,269.70 : x
  2. Step 2: Convert to fraction form
    93,312,677.70/139,969,016.55 = 81,975,269.70/x
  3. Step 3: Cross multiply
    93,312,677.70x = 139,969,016.55 × 81,975,269.70
  4. Step 4: Simplify right side
    93,312,677.70x = 11,473,997,881,330,014
  5. Step 5: Solve for x
    x = 11,473,997,881,330,014/93,312,677.70
  6. Step 6: Final answer
    x = 122,962,904.55

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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.