Finding the Fourth Proportional to 86,832,475.34, 130,221,058.19 and 28,526,619.36
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Solution
The fourth proportional to 86,832,475.34, 130,221,058.19 and 28,526,619.36 is: 42,780,843.75
Step by Step Solution
- Step 1: Write the proportion equation
86,832,475.34 : 130,221,058.19 = 28,526,619.36 : x - Step 2: Convert to fraction form
86,832,475.34/130,221,058.19 = 28,526,619.36/x - Step 3: Cross multiply
86,832,475.34x = 130,221,058.19 × 28,526,619.36 - Step 4: Simplify right side
86,832,475.34x = 3,714,766,559,713,857 - Step 5: Solve for x
x = 3,714,766,559,713,857/86,832,475.34 - Step 6: Final answer
x = 42,780,843.75
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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.