Finding the Fourth Proportional to 189,487,671.36, 284,188,992.48 and 87,153,391.68
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Solution
The fourth proportional to 189,487,671.36, 284,188,992.48 and 87,153,391.68 is: 130,710,533.28
Step by Step Solution
- Step 1: Write the proportion equation
189,487,671.36 : 284,188,992.48 = 87,153,391.68 : x - Step 2: Convert to fraction form
189,487,671.36/284,188,992.48 = 87,153,391.68/x - Step 3: Cross multiply
189,487,671.36x = 284,188,992.48 × 87,153,391.68 - Step 4: Simplify right side
189,487,671.36x = 24,768,034,572,754,020 - Step 5: Solve for x
x = 24,768,034,572,754,020/189,487,671.36 - Step 6: Final answer
x = 130,710,533.28
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.