Finding the Fourth Proportional to 121,119,332.60, 181,720,989.30 and 53,010,903.80
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Solution
The fourth proportional to 121,119,332.60, 181,720,989.30 and 53,010,903.80 is: 79,534,733.85
Step by Step Solution
- Step 1: Write the proportion equation
121,119,332.60 : 181,720,989.30 = 53,010,903.80 : x - Step 2: Convert to fraction form
121,119,332.60/181,720,989.30 = 53,010,903.80/x - Step 3: Cross multiply
121,119,332.60x = 181,720,989.30 × 53,010,903.80 - Step 4: Simplify right side
121,119,332.60x = 9,633,193,882,223,130 - Step 5: Solve for x
x = 9,633,193,882,223,130/121,119,332.60 - Step 6: Final answer
x = 79,534,733.85
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.