Finding the Fourth Proportional to 230,148,196.64, 345,358,496.74 and 84,683,909.92
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Solution
The fourth proportional to 230,148,196.64, 345,358,496.74 and 84,683,909.92 is: 127,075,980.85
Step by Step Solution
- Step 1: Write the proportion equation
230,148,196.64 : 345,358,496.74 = 84,683,909.92 : x - Step 2: Convert to fraction form
230,148,196.64/345,358,496.74 = 84,683,909.92/x - Step 3: Cross multiply
230,148,196.64x = 345,358,496.74 × 84,683,909.92 - Step 4: Simplify right side
230,148,196.64x = 29,246,307,828,036,776 - Step 5: Solve for x
x = 29,246,307,828,036,776/230,148,196.64 - Step 6: Final answer
x = 127,075,980.85
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.