Finding the Fourth Proportional to 156,562,865.74, 216,061,697.12 and 93,818,284.08
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Solution
The fourth proportional to 156,562,865.74, 216,061,697.12 and 93,818,284.08 is: 129,472,193.70
Step by Step Solution
- Step 1: Write the proportion equation
156,562,865.74 : 216,061,697.12 = 93,818,284.08 : x - Step 2: Convert to fraction form
156,562,865.74/216,061,697.12 = 93,818,284.08/x - Step 3: Cross multiply
156,562,865.74x = 216,061,697.12 × 93,818,284.08 - Step 4: Simplify right side
156,562,865.74x = 20,270,537,679,211,076 - Step 5: Solve for x
x = 20,270,537,679,211,076/156,562,865.74 - Step 6: Final answer
x = 129,472,193.70
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.