Home / 107,384,674.27-148,186,678.93-65,638,636.68

Finding the Fourth Proportional to 107,384,674.27, 148,186,678.93 and 65,638,636.68

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Solution

The fourth proportional to 107,384,674.27, 148,186,678.93 and 65,638,636.68 is: 90,578,768.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,384,674.27 : 148,186,678.93 = 65,638,636.68 : x
  2. Step 2: Convert to fraction form
    107,384,674.27/148,186,678.93 = 65,638,636.68/x
  3. Step 3: Cross multiply
    107,384,674.27x = 148,186,678.93 × 65,638,636.68
  4. Step 4: Simplify right side
    107,384,674.27x = 9,726,771,579,102,082
  5. Step 5: Solve for x
    x = 9,726,771,579,102,082/107,384,674.27
  6. Step 6: Final answer
    x = 90,578,768.76

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.