Home / 129,492,528.48-194,377,066.21-55,752,827.40

Finding the Fourth Proportional to 129,492,528.48, 194,377,066.21 and 55,752,827.40

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Solution

The fourth proportional to 129,492,528.48, 194,377,066.21 and 55,752,827.40 is: 83,688,774.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,492,528.48 : 194,377,066.21 = 55,752,827.40 : x
  2. Step 2: Convert to fraction form
    129,492,528.48/194,377,066.21 = 55,752,827.40/x
  3. Step 3: Cross multiply
    129,492,528.48x = 194,377,066.21 × 55,752,827.40
  4. Step 4: Simplify right side
    129,492,528.48x = 10,837,071,022,924,502
  5. Step 5: Solve for x
    x = 10,837,071,022,924,502/129,492,528.48
  6. Step 6: Final answer
    x = 83,688,774.56

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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.