Finding the Fourth Proportional to 98,249,343.02, 135,581,699.04 and 54,195,377.30
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Solution
The fourth proportional to 98,249,343.02, 135,581,699.04 and 54,195,377.30 is: 74,788,299.94
Step by Step Solution
- Step 1: Write the proportion equation
98,249,343.02 : 135,581,699.04 = 54,195,377.30 : x - Step 2: Convert to fraction form
98,249,343.02/135,581,699.04 = 54,195,377.30/x - Step 3: Cross multiply
98,249,343.02x = 135,581,699.04 × 54,195,377.30 - Step 4: Simplify right side
98,249,343.02x = 7,347,901,334,447,847 - Step 5: Solve for x
x = 7,347,901,334,447,847/98,249,343.02 - Step 6: Final answer
x = 74,788,299.94
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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.