Finding the Fourth Proportional to 65,664,276.90, 98,496,415.35 and 38,454,497.70
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Solution
The fourth proportional to 65,664,276.90, 98,496,415.35 and 38,454,497.70 is: 57,681,746.55
Step by Step Solution
- Step 1: Write the proportion equation
65,664,276.90 : 98,496,415.35 = 38,454,497.70 : x - Step 2: Convert to fraction form
65,664,276.90/98,496,415.35 = 38,454,497.70/x - Step 3: Cross multiply
65,664,276.90x = 98,496,415.35 × 38,454,497.70 - Step 4: Simplify right side
65,664,276.90x = 3,787,630,177,534,820 - Step 5: Solve for x
x = 3,787,630,177,534,820/65,664,276.90 - Step 6: Final answer
x = 57,681,746.55
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.