Finding the Fourth Proportional to 156,357,282.40, 215,683,402.70 and 97,517,795.08
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Solution
The fourth proportional to 156,357,282.40, 215,683,402.70 and 97,517,795.08 is: 134,518,645.65
Step by Step Solution
- Step 1: Write the proportion equation
156,357,282.40 : 215,683,402.70 = 97,517,795.08 : x - Step 2: Convert to fraction form
156,357,282.40/215,683,402.70 = 97,517,795.08/x - Step 3: Cross multiply
156,357,282.40x = 215,683,402.70 × 97,517,795.08 - Step 4: Simplify right side
156,357,282.40x = 21,032,969,866,655,716 - Step 5: Solve for x
x = 21,032,969,866,655,716/156,357,282.40 - Step 6: Final answer
x = 134,518,645.65
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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.