Finding the Fourth Proportional to 134,641,186.97, 185,813,164.66 and 74,289,885.79
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Solution
The fourth proportional to 134,641,186.97, 185,813,164.66 and 74,289,885.79 is: 102,524,636.71
Step by Step Solution
- Step 1: Write the proportion equation
134,641,186.97 : 185,813,164.66 = 74,289,885.79 : x - Step 2: Convert to fraction form
134,641,186.97/185,813,164.66 = 74,289,885.79/x - Step 3: Cross multiply
134,641,186.97x = 185,813,164.66 × 74,289,885.79 - Step 4: Simplify right side
134,641,186.97x = 13,804,038,779,940,798 - Step 5: Solve for x
x = 13,804,038,779,940,798/134,641,186.97 - Step 6: Final answer
x = 102,524,636.71
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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.