Finding the Fourth Proportional to 128,658,006, 177,549,408.60 and 69,920,669.70
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Solution
The fourth proportional to 128,658,006, 177,549,408.60 and 69,920,669.70 is: 96,491,263.47
Step by Step Solution
- Step 1: Write the proportion equation
128,658,006 : 177,549,408.60 = 69,920,669.70 : x - Step 2: Convert to fraction form
128,658,006/177,549,408.60 = 69,920,669.70/x - Step 3: Cross multiply
128,658,006x = 177,549,408.60 × 69,920,669.70 - Step 4: Simplify right side
128,658,006x = 12,414,373,554,150,940 - Step 5: Solve for x
x = 12,414,373,554,150,940/128,658,006 - Step 6: Final answer
x = 96,491,263.47
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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.