Finding the Fourth Proportional to 118,679,033.42, 163,774,898.42 and 65,755,547.99
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Solution
The fourth proportional to 118,679,033.42, 163,774,898.42 and 65,755,547.99 is: 90,741,455.18
Step by Step Solution
- Step 1: Write the proportion equation
118,679,033.42 : 163,774,898.42 = 65,755,547.99 : x - Step 2: Convert to fraction form
118,679,033.42/163,774,898.42 = 65,755,547.99/x - Step 3: Cross multiply
118,679,033.42x = 163,774,898.42 × 65,755,547.99 - Step 4: Simplify right side
118,679,033.42x = 10,769,108,191,466,032 - Step 5: Solve for x
x = 10,769,108,191,466,032/118,679,033.42 - Step 6: Final answer
x = 90,741,455.18
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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.