Finding the Fourth Proportional to 180,444,306.76, 249,013,327.68 and 97,938,108.52
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Solution
The fourth proportional to 180,444,306.76, 249,013,327.68 and 97,938,108.52 is: 135,154,689.82
Step by Step Solution
- Step 1: Write the proportion equation
180,444,306.76 : 249,013,327.68 = 97,938,108.52 : x - Step 2: Convert to fraction form
180,444,306.76/249,013,327.68 = 97,938,108.52/x - Step 3: Cross multiply
180,444,306.76x = 249,013,327.68 × 97,938,108.52 - Step 4: Simplify right side
180,444,306.76x = 24,387,894,309,250,160 - Step 5: Solve for x
x = 24,387,894,309,250,160/180,444,306.76 - Step 6: Final answer
x = 135,154,689.82
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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.