Finding the Fourth Proportional to 126,445,306.90, 189,809,677.95 and 97,818,351.70
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Solution
The fourth proportional to 126,445,306.90, 189,809,677.95 and 97,818,351.70 is: 146,837,160.58
Step by Step Solution
- Step 1: Write the proportion equation
126,445,306.90 : 189,809,677.95 = 97,818,351.70 : x - Step 2: Convert to fraction form
126,445,306.90/189,809,677.95 = 97,818,351.70/x - Step 3: Cross multiply
126,445,306.90x = 189,809,677.95 × 97,818,351.70 - Step 4: Simplify right side
126,445,306.90x = 18,566,869,833,776,836 - Step 5: Solve for x
x = 18,566,869,833,776,836/126,445,306.90 - Step 6: Final answer
x = 146,837,160.58
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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.