Finding the Fourth Proportional to 42,134,574, 58,145,712.18 and 22,818,990
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Solution
The fourth proportional to 42,134,574, 58,145,712.18 and 22,818,990 is: 31,490,206.23
Step by Step Solution
- Step 1: Write the proportion equation
42,134,574 : 58,145,712.18 = 22,818,990 : x - Step 2: Convert to fraction form
42,134,574/58,145,712.18 = 22,818,990/x - Step 3: Cross multiply
42,134,574x = 58,145,712.18 × 22,818,990 - Step 4: Simplify right side
42,134,574x = 1,326,826,424,778,298.25 - Step 5: Solve for x
x = 1,326,826,424,778,298.25/42,134,574 - Step 6: Final answer
x = 31,490,206.23
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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.