Finding the Fourth Proportional to 128,690,216.64, 177,594,158.88 and 69,953,734.08
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Solution
The fourth proportional to 128,690,216.64, 177,594,158.88 and 69,953,734.08 is: 96,537,055.33
Step by Step Solution
- Step 1: Write the proportion equation
128,690,216.64 : 177,594,158.88 = 69,953,734.08 : x - Step 2: Convert to fraction form
128,690,216.64/177,594,158.88 = 69,953,734.08/x - Step 3: Cross multiply
128,690,216.64x = 177,594,158.88 × 69,953,734.08 - Step 4: Simplify right side
128,690,216.64x = 12,423,374,564,452,790 - Step 5: Solve for x
x = 12,423,374,564,452,790/128,690,216.64 - Step 6: Final answer
x = 96,537,055.33
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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.