Finding the Fourth Proportional to 91,291,785.58, 125,995,583.28 and 56,495,685.70
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Solution
The fourth proportional to 91,291,785.58, 125,995,583.28 and 56,495,685.70 is: 77,972,041.27
Step by Step Solution
- Step 1: Write the proportion equation
91,291,785.58 : 125,995,583.28 = 56,495,685.70 : x - Step 2: Convert to fraction form
91,291,785.58/125,995,583.28 = 56,495,685.70/x - Step 3: Cross multiply
91,291,785.58x = 125,995,583.28 × 56,495,685.70 - Step 4: Simplify right side
91,291,785.58x = 7,118,206,872,575,056 - Step 5: Solve for x
x = 7,118,206,872,575,056/91,291,785.58 - Step 6: Final answer
x = 77,972,041.27
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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.