Finding the Fourth Proportional to 75,417,483.40, 113,126,225.10 and 40,980,106.60
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Solution
The fourth proportional to 75,417,483.40, 113,126,225.10 and 40,980,106.60 is: 61,470,159.90
Step by Step Solution
- Step 1: Write the proportion equation
75,417,483.40 : 113,126,225.10 = 40,980,106.60 : x - Step 2: Convert to fraction form
75,417,483.40/113,126,225.10 = 40,980,106.60/x - Step 3: Cross multiply
75,417,483.40x = 113,126,225.10 × 40,980,106.60 - Step 4: Simplify right side
75,417,483.40x = 4,635,924,763,853,596 - Step 5: Solve for x
x = 4,635,924,763,853,596/75,417,483.40 - Step 6: Final answer
x = 61,470,159.90
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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.