Finding the Fourth Proportional to 71,472,871.52, 107,221,265.28 and 56,119,541.84
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Solution
The fourth proportional to 71,472,871.52, 107,221,265.28 and 56,119,541.84 is: 84,188,702.02
Step by Step Solution
- Step 1: Write the proportion equation
71,472,871.52 : 107,221,265.28 = 56,119,541.84 : x - Step 2: Convert to fraction form
71,472,871.52/107,221,265.28 = 56,119,541.84/x - Step 3: Cross multiply
71,472,871.52x = 107,221,265.28 × 56,119,541.84 - Step 4: Simplify right side
71,472,871.52x = 6,017,208,283,018,700 - Step 5: Solve for x
x = 6,017,208,283,018,700/71,472,871.52 - Step 6: Final answer
x = 84,188,702.02
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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.