Finding the Fourth Proportional to 67,557,315.48, 93,226,827.58 and 40,038,906.84
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Solution
The fourth proportional to 67,557,315.48, 93,226,827.58 and 40,038,906.84 is: 55,252,347.40
Step by Step Solution
- Step 1: Write the proportion equation
67,557,315.48 : 93,226,827.58 = 40,038,906.84 : x - Step 2: Convert to fraction form
67,557,315.48/93,226,827.58 = 40,038,906.84/x - Step 3: Cross multiply
67,557,315.48x = 93,226,827.58 × 40,038,906.84 - Step 4: Simplify right side
67,557,315.48x = 3,732,700,264,464,363 - Step 5: Solve for x
x = 3,732,700,264,464,363/67,557,315.48 - Step 6: Final answer
x = 55,252,347.40
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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.