Finding the Fourth Proportional to 66,018,352.80, 98,838,572.40 and 58,460,080.80
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Solution
The fourth proportional to 66,018,352.80, 98,838,572.40 and 58,460,080.80 is: 87,522,797.58
Step by Step Solution
- Step 1: Write the proportion equation
66,018,352.80 : 98,838,572.40 = 58,460,080.80 : x - Step 2: Convert to fraction form
66,018,352.80/98,838,572.40 = 58,460,080.80/x - Step 3: Cross multiply
66,018,352.80x = 98,838,572.40 × 58,460,080.80 - Step 4: Simplify right side
66,018,352.80x = 5,778,110,928,660,650 - Step 5: Solve for x
x = 5,778,110,928,660,650/66,018,352.80 - Step 6: Final answer
x = 87,522,797.58
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.