Finding the Fourth Proportional to 97,578,569.09, 134,657,154.81 and 55,762,158.61
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Solution
The fourth proportional to 97,578,569.09, 134,657,154.81 and 55,762,158.61 is: 76,951,052.82
Step by Step Solution
- Step 1: Write the proportion equation
97,578,569.09 : 134,657,154.81 = 55,762,158.61 : x - Step 2: Convert to fraction form
97,578,569.09/134,657,154.81 = 55,762,158.61/x - Step 3: Cross multiply
97,578,569.09x = 134,657,154.81 × 55,762,158.61 - Step 4: Simplify right side
97,578,569.09x = 7,508,773,624,654,866 - Step 5: Solve for x
x = 7,508,773,624,654,866/97,578,569.09 - Step 6: Final answer
x = 76,951,052.82
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.