Finding the Fourth Proportional to 52,564,228.80, 78,861,088.80 and 25,638,763.20
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Solution
The fourth proportional to 52,564,228.80, 78,861,088.80 and 25,638,763.20 is: 38,465,337.12
Step by Step Solution
- Step 1: Write the proportion equation
52,564,228.80 : 78,861,088.80 = 25,638,763.20 : x - Step 2: Convert to fraction form
52,564,228.80/78,861,088.80 = 25,638,763.20/x - Step 3: Cross multiply
52,564,228.80x = 78,861,088.80 × 25,638,763.20 - Step 4: Simplify right side
52,564,228.80x = 2,021,900,781,437,372 - Step 5: Solve for x
x = 2,021,900,781,437,372/52,564,228.80 - Step 6: Final answer
x = 38,465,337.12
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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.