Finding the Fourth Proportional to 159,717,886.65, 220,410,830.55 and 86,379,028.65
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Solution
The fourth proportional to 159,717,886.65, 220,410,830.55 and 86,379,028.65 is: 119,203,139.02
Step by Step Solution
- Step 1: Write the proportion equation
159,717,886.65 : 220,410,830.55 = 86,379,028.65 : x - Step 2: Convert to fraction form
159,717,886.65/220,410,830.55 = 86,379,028.65/x - Step 3: Cross multiply
159,717,886.65x = 220,410,830.55 × 86,379,028.65 - Step 4: Simplify right side
159,717,886.65x = 19,038,873,446,848,748 - Step 5: Solve for x
x = 19,038,873,446,848,748/159,717,886.65 - Step 6: Final answer
x = 119,203,139.02
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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.