Finding the Fourth Proportional to 87,035,259.84, 120,110,899.68 and 47,878,042.56
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Solution
The fourth proportional to 87,035,259.84, 120,110,899.68 and 47,878,042.56 is: 66,072,931.56
Step by Step Solution
- Step 1: Write the proportion equation
87,035,259.84 : 120,110,899.68 = 47,878,042.56 : x - Step 2: Convert to fraction form
87,035,259.84/120,110,899.68 = 47,878,042.56/x - Step 3: Cross multiply
87,035,259.84x = 120,110,899.68 × 47,878,042.56 - Step 4: Simplify right side
87,035,259.84x = 5,750,674,766,798,931 - Step 5: Solve for x
x = 5,750,674,766,798,931/87,035,259.84 - Step 6: Final answer
x = 66,072,931.56
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.