Home / 193,793,492.16-290,573,153.28-77,226,780.96

Finding the Fourth Proportional to 193,793,492.16, 290,573,153.28 and 77,226,780.96

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Solution

The fourth proportional to 193,793,492.16, 290,573,153.28 and 77,226,780.96 is: 115,793,513.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,793,492.16 : 290,573,153.28 = 77,226,780.96 : x
  2. Step 2: Convert to fraction form
    193,793,492.16/290,573,153.28 = 77,226,780.96/x
  3. Step 3: Cross multiply
    193,793,492.16x = 290,573,153.28 × 77,226,780.96
  4. Step 4: Simplify right side
    193,793,492.16x = 22,440,029,261,211,060
  5. Step 5: Solve for x
    x = 22,440,029,261,211,060/193,793,492.16
  6. Step 6: Final answer
    x = 115,793,513.04

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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.