Finding the Fourth Proportional to 93,462,259.20, 139,610,561.97 and 69,248,477.94
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Solution
The fourth proportional to 93,462,259.20, 139,610,561.97 and 69,248,477.94 is: 103,440,886.23
Step by Step Solution
- Step 1: Write the proportion equation
93,462,259.20 : 139,610,561.97 = 69,248,477.94 : x - Step 2: Convert to fraction form
93,462,259.20/139,610,561.97 = 69,248,477.94/x - Step 3: Cross multiply
93,462,259.20x = 139,610,561.97 × 69,248,477.94 - Step 4: Simplify right side
93,462,259.20x = 9,667,818,920,770,548 - Step 5: Solve for x
x = 9,667,818,920,770,548/93,462,259.20 - Step 6: Final answer
x = 103,440,886.23
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.