Finding the Fourth Proportional to 53,649,746.04, 74,038,437.88 and 30,132,427.12
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Solution
The fourth proportional to 53,649,746.04, 74,038,437.88 and 30,132,427.12 is: 41,583,753.85
Step by Step Solution
- Step 1: Write the proportion equation
53,649,746.04 : 74,038,437.88 = 30,132,427.12 : x - Step 2: Convert to fraction form
53,649,746.04/74,038,437.88 = 30,132,427.12/x - Step 3: Cross multiply
53,649,746.04x = 74,038,437.88 × 30,132,427.12 - Step 4: Simplify right side
53,649,746.04x = 2,230,957,833,497,747.25 - Step 5: Solve for x
x = 2,230,957,833,497,747.25/53,649,746.04 - Step 6: Final answer
x = 41,583,753.85
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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.