Finding the Fourth Proportional to 67,893,285.96, 93,700,712.70 and 38,128,825.56
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Solution
The fourth proportional to 67,893,285.96, 93,700,712.70 and 38,128,825.56 is: 52,622,259.75
Step by Step Solution
- Step 1: Write the proportion equation
67,893,285.96 : 93,700,712.70 = 38,128,825.56 : x - Step 2: Convert to fraction form
67,893,285.96/93,700,712.70 = 38,128,825.56/x - Step 3: Cross multiply
67,893,285.96x = 93,700,712.70 × 38,128,825.56 - Step 4: Simplify right side
67,893,285.96x = 3,572,698,129,385,977 - Step 5: Solve for x
x = 3,572,698,129,385,977/67,893,285.96 - Step 6: Final answer
x = 52,622,259.75
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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.