Finding the Fourth Proportional to 67,579,339.55, 93,261,455.91 and 38,210,041.53
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Solution
The fourth proportional to 67,579,339.55, 93,261,455.91 and 38,210,041.53 is: 52,730,969.66
Step by Step Solution
- Step 1: Write the proportion equation
67,579,339.55 : 93,261,455.91 = 38,210,041.53 : x - Step 2: Convert to fraction form
67,579,339.55/93,261,455.91 = 38,210,041.53/x - Step 3: Cross multiply
67,579,339.55x = 93,261,455.91 × 38,210,041.53 - Step 4: Simplify right side
67,579,339.55x = 3,563,524,103,469,364 - Step 5: Solve for x
x = 3,563,524,103,469,364/67,579,339.55 - Step 6: Final answer
x = 52,730,969.66
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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.