Finding the Fourth Proportional to 93,159,641.08, 128,560,831.74 and 54,024,653.92
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Solution
The fourth proportional to 93,159,641.08, 128,560,831.74 and 54,024,653.92 is: 74,554,328.05
Step by Step Solution
- Step 1: Write the proportion equation
93,159,641.08 : 128,560,831.74 = 54,024,653.92 : x - Step 2: Convert to fraction form
93,159,641.08/128,560,831.74 = 54,024,653.92/x - Step 3: Cross multiply
93,159,641.08x = 128,560,831.74 × 54,024,653.92 - Step 4: Simplify right side
93,159,641.08x = 6,945,454,442,420,851 - Step 5: Solve for x
x = 6,945,454,442,420,851/93,159,641.08 - Step 6: Final answer
x = 74,554,328.05
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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.