Finding the Fourth Proportional to 67,579,342.56, 93,261,460.05 and 38,210,044.53
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Solution
The fourth proportional to 67,579,342.56, 93,261,460.05 and 38,210,044.53 is: 52,730,973.79
Step by Step Solution
- Step 1: Write the proportion equation
67,579,342.56 : 93,261,460.05 = 38,210,044.53 : x - Step 2: Convert to fraction form
67,579,342.56/93,261,460.05 = 38,210,044.53/x - Step 3: Cross multiply
67,579,342.56x = 93,261,460.05 × 38,210,044.53 - Step 4: Simplify right side
67,579,342.56x = 3,563,524,541,443,316 - Step 5: Solve for x
x = 3,563,524,541,443,316/67,579,342.56 - Step 6: Final answer
x = 52,730,973.79
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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.