Finding the Fourth Proportional to 61,021,848.86, 84,161,426.58 and 40,135,323.62
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Solution
The fourth proportional to 61,021,848.86, 84,161,426.58 and 40,135,323.62 is: 55,354,699.25
Step by Step Solution
- Step 1: Write the proportion equation
61,021,848.86 : 84,161,426.58 = 40,135,323.62 : x - Step 2: Convert to fraction form
61,021,848.86/84,161,426.58 = 40,135,323.62/x - Step 3: Cross multiply
61,021,848.86x = 84,161,426.58 × 40,135,323.62 - Step 4: Simplify right side
61,021,848.86x = 3,377,846,091,688,363 - Step 5: Solve for x
x = 3,377,846,091,688,363/61,021,848.86 - Step 6: Final answer
x = 55,354,699.25
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.