Finding the Fourth Proportional to 73,402,864.80, 101,302,407.84 and 40,368,935.76
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Solution
The fourth proportional to 73,402,864.80, 101,302,407.84 and 40,368,935.76 is: 55,712,681.05
Step by Step Solution
- Step 1: Write the proportion equation
73,402,864.80 : 101,302,407.84 = 40,368,935.76 : x - Step 2: Convert to fraction form
73,402,864.80/101,302,407.84 = 40,368,935.76/x - Step 3: Cross multiply
73,402,864.80x = 101,302,407.84 × 40,368,935.76 - Step 4: Simplify right side
73,402,864.80x = 4,089,470,394,426,280.50 - Step 5: Solve for x
x = 4,089,470,394,426,280.50/73,402,864.80 - Step 6: Final answer
x = 55,712,681.05
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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.