Finding the Fourth Proportional to 260,497,426.03, 390,663,174.58 and 85,579,858.08
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Solution
The fourth proportional to 260,497,426.03, 390,663,174.58 and 85,579,858.08 is: 128,342,531.24
Step by Step Solution
- Step 1: Write the proportion equation
260,497,426.03 : 390,663,174.58 = 85,579,858.08 : x - Step 2: Convert to fraction form
260,497,426.03/390,663,174.58 = 85,579,858.08/x - Step 3: Cross multiply
260,497,426.03x = 390,663,174.58 × 85,579,858.08 - Step 4: Simplify right side
260,497,426.03x = 33,432,899,037,424,712 - Step 5: Solve for x
x = 33,432,899,037,424,712/260,497,426.03 - Step 6: Final answer
x = 128,342,531.24
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.