Finding the Fourth Proportional to 87,396,566,327.40, 120,605,988,462.68 and 48,816,035,190.46
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Solution
The fourth proportional to 87,396,566,327.40, 120,605,988,462.68 and 48,816,035,190.46 is: 67,365,417,480.12
Step by Step Solution
- Step 1: Write the proportion equation
87,396,566,327.40 : 120,605,988,462.68 = 48,816,035,190.46 : x - Step 2: Convert to fraction form
87,396,566,327.40/120,605,988,462.68 = 48,816,035,190.46/x - Step 3: Cross multiply
87,396,566,327.40x = 120,605,988,462.68 × 48,816,035,190.46 - Step 4: Simplify right side
87,396,566,327.40x = 5,887,506,176,974,398,685,184 - Step 5: Solve for x
x = 5,887,506,176,974,398,685,184/87,396,566,327.40 - Step 6: Final answer
x = 67,365,417,480.12
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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.