Home / 139,703,864.82-209,602,436.75-61,970,045.19

Finding the Fourth Proportional to 139,703,864.82, 209,602,436.75 and 61,970,045.19

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Solution

The fourth proportional to 139,703,864.82, 209,602,436.75 and 61,970,045.19 is: 92,975,756.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,703,864.82 : 209,602,436.75 = 61,970,045.19 : x
  2. Step 2: Convert to fraction form
    139,703,864.82/209,602,436.75 = 61,970,045.19/x
  3. Step 3: Cross multiply
    139,703,864.82x = 209,602,436.75 × 61,970,045.19
  4. Step 4: Simplify right side
    139,703,864.82x = 12,989,072,476,817,036
  5. Step 5: Solve for x
    x = 12,989,072,476,817,036/139,703,864.82
  6. Step 6: Final answer
    x = 92,975,756.21

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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.