Home / 107,384,673.72-148,186,678.17-65,638,636.11

Finding the Fourth Proportional to 107,384,673.72, 148,186,678.17 and 65,638,636.11

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Solution

The fourth proportional to 107,384,673.72, 148,186,678.17 and 65,638,636.11 is: 90,578,767.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,384,673.72 : 148,186,678.17 = 65,638,636.11 : x
  2. Step 2: Convert to fraction form
    107,384,673.72/148,186,678.17 = 65,638,636.11/x
  3. Step 3: Cross multiply
    107,384,673.72x = 148,186,678.17 × 65,638,636.11
  4. Step 4: Simplify right side
    107,384,673.72x = 9,726,771,445,552,156
  5. Step 5: Solve for x
    x = 9,726,771,445,552,156/107,384,673.72
  6. Step 6: Final answer
    x = 90,578,767.98

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