Finding the Fourth Proportional to 130,832,221.17, 180,549,675.95 and 72,096,988.14
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Solution
The fourth proportional to 130,832,221.17, 180,549,675.95 and 72,096,988.14 is: 99,494,510.82
Step by Step Solution
- Step 1: Write the proportion equation
130,832,221.17 : 180,549,675.95 = 72,096,988.14 : x - Step 2: Convert to fraction form
130,832,221.17/180,549,675.95 = 72,096,988.14/x - Step 3: Cross multiply
130,832,221.17x = 180,549,675.95 × 72,096,988.14 - Step 4: Simplify right side
130,832,221.17x = 13,017,087,845,287,508 - Step 5: Solve for x
x = 13,017,087,845,287,508/130,832,221.17 - Step 6: Final answer
x = 99,494,510.82
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.