Finding the Fourth Proportional to 58,939,920.08, 80,747,978.60 and 56,730,868
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Solution
The fourth proportional to 58,939,920.08, 80,747,978.60 and 56,730,868 is: 77,721,566.45
Step by Step Solution
- Step 1: Write the proportion equation
58,939,920.08 : 80,747,978.60 = 56,730,868 : x - Step 2: Convert to fraction form
58,939,920.08/80,747,978.60 = 56,730,868/x - Step 3: Cross multiply
58,939,920.08x = 80,747,978.60 × 56,730,868 - Step 4: Simplify right side
58,939,920.08x = 4,580,902,915,223,424 - Step 5: Solve for x
x = 4,580,902,915,223,424/58,939,920.08 - Step 6: Final answer
x = 77,721,566.45
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These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.