Finding the Fourth Proportional to 67,249,491.44, 92,804,466.42 and 38,997,340.52
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Solution
The fourth proportional to 67,249,491.44, 92,804,466.42 and 38,997,340.52 is: 53,816,427.47
Step by Step Solution
- Step 1: Write the proportion equation
67,249,491.44 : 92,804,466.42 = 38,997,340.52 : x - Step 2: Convert to fraction form
67,249,491.44/92,804,466.42 = 38,997,340.52/x - Step 3: Cross multiply
67,249,491.44x = 92,804,466.42 × 38,997,340.52 - Step 4: Simplify right side
67,249,491.44x = 3,619,127,378,293,623 - Step 5: Solve for x
x = 3,619,127,378,293,623/67,249,491.44 - Step 6: Final answer
x = 53,816,427.47
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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.