Home / 198,528,656.80-297,802,316.40-62,218,487.20

Finding the Fourth Proportional to 198,528,656.80, 297,802,316.40 and 62,218,487.20

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Solution

The fourth proportional to 198,528,656.80, 297,802,316.40 and 62,218,487.20 is: 93,330,655.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,528,656.80 : 297,802,316.40 = 62,218,487.20 : x
  2. Step 2: Convert to fraction form
    198,528,656.80/297,802,316.40 = 62,218,487.20/x
  3. Step 3: Cross multiply
    198,528,656.80x = 297,802,316.40 × 62,218,487.20
  4. Step 4: Simplify right side
    198,528,656.80x = 18,528,809,611,063,748
  5. Step 5: Solve for x
    x = 18,528,809,611,063,748/198,528,656.80
  6. Step 6: Final answer
    x = 93,330,655.18

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.