Finding the Fourth Proportional to 73,386,041.60, 110,163,043.20 and 43,110,963.20
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Solution
The fourth proportional to 73,386,041.60, 110,163,043.20 and 43,110,963.20 is: 64,715,779.70
Step by Step Solution
- Step 1: Write the proportion equation
73,386,041.60 : 110,163,043.20 = 43,110,963.20 : x - Step 2: Convert to fraction form
73,386,041.60/110,163,043.20 = 43,110,963.20/x - Step 3: Cross multiply
73,386,041.60x = 110,163,043.20 × 43,110,963.20 - Step 4: Simplify right side
73,386,041.60x = 4,749,234,901,395,211 - Step 5: Solve for x
x = 4,749,234,901,395,211/73,386,041.60 - Step 6: Final answer
x = 64,715,779.70
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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.