Finding the Fourth Proportional to 90,239,585,297.95, 124,533,614,216.17 and 49,595,937,408.70
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Solution
The fourth proportional to 90,239,585,297.95, 124,533,614,216.17 and 49,595,937,408.70 is: 68,444,035,015.80
Step by Step Solution
- Step 1: Write the proportion equation
90,239,585,297.95 : 124,533,614,216.17 = 49,595,937,408.70 : x - Step 2: Convert to fraction form
90,239,585,297.95/124,533,614,216.17 = 49,595,937,408.70/x - Step 3: Cross multiply
90,239,585,297.95x = 124,533,614,216.17 × 49,595,937,408.70 - Step 4: Simplify right side
90,239,585,297.95x = 6,176,361,335,944,110,931,968 - Step 5: Solve for x
x = 6,176,361,335,944,110,931,968/90,239,585,297.95 - Step 6: Final answer
x = 68,444,035,015.80
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1.5x scale
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.