Finding the Fourth Proportional to 53,875,106.70, 80,863,398.45 and 28,334,445.90
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Solution
The fourth proportional to 53,875,106.70, 80,863,398.45 and 28,334,445.90 is: 42,528,353.61
Step by Step Solution
- Step 1: Write the proportion equation
53,875,106.70 : 80,863,398.45 = 28,334,445.90 : x - Step 2: Convert to fraction form
53,875,106.70/80,863,398.45 = 28,334,445.90/x - Step 3: Cross multiply
53,875,106.70x = 80,863,398.45 × 28,334,445.90 - Step 4: Simplify right side
53,875,106.70x = 2,291,219,588,671,669 - Step 5: Solve for x
x = 2,291,219,588,671,669/53,875,106.70 - Step 6: Final answer
x = 42,528,353.61
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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.