Finding the Fourth Proportional to 90,128,450.24, 124,377,326.88 and 48,875,332.16
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Solution
The fourth proportional to 90,128,450.24, 124,377,326.88 and 48,875,332.16 is: 67,447,993.93
Step by Step Solution
- Step 1: Write the proportion equation
90,128,450.24 : 124,377,326.88 = 48,875,332.16 : x - Step 2: Convert to fraction form
90,128,450.24/124,377,326.88 = 48,875,332.16/x - Step 3: Cross multiply
90,128,450.24x = 124,377,326.88 × 48,875,332.16 - Step 4: Simplify right side
90,128,450.24x = 6,078,983,164,432,896 - Step 5: Solve for x
x = 6,078,983,164,432,896/90,128,450.24 - Step 6: Final answer
x = 67,447,993.93
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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.