Finding the Fourth Proportional to 90,828,052.84, 125,506,671.24 and 64,677,169.84
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Solution
The fourth proportional to 90,828,052.84, 125,506,671.24 and 64,677,169.84 is: 89,371,246.42
Step by Step Solution
- Step 1: Write the proportion equation
90,828,052.84 : 125,506,671.24 = 64,677,169.84 : x - Step 2: Convert to fraction form
90,828,052.84/125,506,671.24 = 64,677,169.84/x - Step 3: Cross multiply
90,828,052.84x = 125,506,671.24 × 64,677,169.84 - Step 4: Simplify right side
90,828,052.84x = 8,117,416,291,842,524 - Step 5: Solve for x
x = 8,117,416,291,842,524/90,828,052.84 - Step 6: Final answer
x = 89,371,246.42
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.