Finding the Fourth Proportional to 115,610,420.80, 159,542,209.91 and 62,687,032.28
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Solution
The fourth proportional to 115,610,420.80, 159,542,209.91 and 62,687,032.28 is: 86,508,011.94
Step by Step Solution
- Step 1: Write the proportion equation
115,610,420.80 : 159,542,209.91 = 62,687,032.28 : x - Step 2: Convert to fraction form
115,610,420.80/159,542,209.91 = 62,687,032.28/x - Step 3: Cross multiply
115,610,420.80x = 159,542,209.91 × 62,687,032.28 - Step 4: Simplify right side
115,610,420.80x = 10,001,227,662,607,996 - Step 5: Solve for x
x = 10,001,227,662,607,996/115,610,420.80 - Step 6: Final answer
x = 86,508,011.94
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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.