Finding the Fourth Proportional to 126,359,670.70, 189,559,873.05 and 38,921,147.02
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Solution
The fourth proportional to 126,359,670.70, 189,559,873.05 and 38,921,147.02 is: 58,387,993.95
Step by Step Solution
- Step 1: Write the proportion equation
126,359,670.70 : 189,559,873.05 = 38,921,147.02 : x - Step 2: Convert to fraction form
126,359,670.70/189,559,873.05 = 38,921,147.02/x - Step 3: Cross multiply
126,359,670.70x = 189,559,873.05 × 38,921,147.02 - Step 4: Simplify right side
126,359,670.70x = 7,377,887,688,071,587 - Step 5: Solve for x
x = 7,377,887,688,071,587/126,359,670.70 - Step 6: Final answer
x = 58,387,993.95
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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.