Finding the Fourth Proportional to 90,849,778.74, 125,372,056.87 and 49,596,671.12
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Solution
The fourth proportional to 90,849,778.74, 125,372,056.87 and 49,596,671.12 is: 68,443,057.96
Step by Step Solution
- Step 1: Write the proportion equation
90,849,778.74 : 125,372,056.87 = 49,596,671.12 : x - Step 2: Convert to fraction form
90,849,778.74/125,372,056.87 = 49,596,671.12/x - Step 3: Cross multiply
90,849,778.74x = 125,372,056.87 × 49,596,671.12 - Step 4: Simplify right side
90,849,778.74x = 6,218,036,671,654,463 - Step 5: Solve for x
x = 6,218,036,671,654,463/90,849,778.74 - Step 6: Final answer
x = 68,443,057.96
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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.