Finding the Fourth Proportional to 102,578,472.30, 153,623,454.57 and 59,356,587.18
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Solution
The fourth proportional to 102,578,472.30, 153,623,454.57 and 59,356,587.18 is: 88,893,544.32
Step by Step Solution
- Step 1: Write the proportion equation
102,578,472.30 : 153,623,454.57 = 59,356,587.18 : x - Step 2: Convert to fraction form
102,578,472.30/153,623,454.57 = 59,356,587.18/x - Step 3: Cross multiply
102,578,472.30x = 153,623,454.57 × 59,356,587.18 - Step 4: Simplify right side
102,578,472.30x = 9,118,563,974,076,974 - Step 5: Solve for x
x = 9,118,563,974,076,974/102,578,472.30 - Step 6: Final answer
x = 88,893,544.32
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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.