Finding the Fourth Proportional to 120,230,950.08, 165,918,771.18 and 65,226,792
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Solution
The fourth proportional to 120,230,950.08, 165,918,771.18 and 65,226,792 is: 90,013,005.55
Step by Step Solution
- Step 1: Write the proportion equation
120,230,950.08 : 165,918,771.18 = 65,226,792 : x - Step 2: Convert to fraction form
120,230,950.08/165,918,771.18 = 65,226,792/x - Step 3: Cross multiply
120,230,950.08x = 165,918,771.18 × 65,226,792 - Step 4: Simplify right side
120,230,950.08x = 10,822,349,176,653,456 - Step 5: Solve for x
x = 10,822,349,176,653,456/120,230,950.08 - Step 6: Final answer
x = 90,013,005.55
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1.5x scale
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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.