Finding the Fourth Proportional to 108,670,854.20, 163,006,281.30 and 97,921,311.80
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Solution
The fourth proportional to 108,670,854.20, 163,006,281.30 and 97,921,311.80 is: 146,881,967.70
Step by Step Solution
- Step 1: Write the proportion equation
108,670,854.20 : 163,006,281.30 = 97,921,311.80 : x - Step 2: Convert to fraction form
108,670,854.20/163,006,281.30 = 97,921,311.80/x - Step 3: Cross multiply
108,670,854.20x = 163,006,281.30 × 97,921,311.80 - Step 4: Simplify right side
108,670,854.20x = 15,961,788,896,535,810 - Step 5: Solve for x
x = 15,961,788,896,535,810/108,670,854.20 - Step 6: Final answer
x = 146,881,967.70
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.