Finding the Fourth Proportional to 156,357,281.01, 215,683,400.80 and 97,517,793.72
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Solution
The fourth proportional to 156,357,281.01, 215,683,400.80 and 97,517,793.72 is: 134,518,643.79
Step by Step Solution
- Step 1: Write the proportion equation
156,357,281.01 : 215,683,400.80 = 97,517,793.72 : x - Step 2: Convert to fraction form
156,357,281.01/215,683,400.80 = 97,517,793.72/x - Step 3: Cross multiply
156,357,281.01x = 215,683,400.80 × 97,517,793.72 - Step 4: Simplify right side
156,357,281.01x = 21,032,969,388,042,484 - Step 5: Solve for x
x = 21,032,969,388,042,484/156,357,281.01 - Step 6: Final answer
x = 134,518,643.79
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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.