Finding the Fourth Proportional to 339,217,140.74, 508,681,101.02 and 129,091,970.82
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Solution
The fourth proportional to 339,217,140.74, 508,681,101.02 and 129,091,970.82 is: 193,582,923.63
Step by Step Solution
- Step 1: Write the proportion equation
339,217,140.74 : 508,681,101.02 = 129,091,970.82 : x - Step 2: Convert to fraction form
339,217,140.74/508,681,101.02 = 129,091,970.82/x - Step 3: Cross multiply
339,217,140.74x = 508,681,101.02 × 129,091,970.82 - Step 4: Simplify right side
339,217,140.74x = 65,666,645,849,559,304 - Step 5: Solve for x
x = 65,666,645,849,559,304/339,217,140.74 - Step 6: Final answer
x = 193,582,923.63
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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.