Finding the Fourth Proportional to 130,032,451.13, 195,018,829.47 and 77,524,979.99
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Solution
The fourth proportional to 130,032,451.13, 195,018,829.47 and 77,524,979.99 is: 116,269,675.15
Step by Step Solution
- Step 1: Write the proportion equation
130,032,451.13 : 195,018,829.47 = 77,524,979.99 : x - Step 2: Convert to fraction form
130,032,451.13/195,018,829.47 = 77,524,979.99/x - Step 3: Cross multiply
130,032,451.13x = 195,018,829.47 × 77,524,979.99 - Step 4: Simplify right side
130,032,451.13x = 15,118,830,851,359,878 - Step 5: Solve for x
x = 15,118,830,851,359,878/130,032,451.13 - Step 6: Final answer
x = 116,269,675.15
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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.