Home / 279,564,250.55-385,799,834.97-154,113,693.24

Finding the Fourth Proportional to 279,564,250.55, 385,799,834.97 and 154,113,693.24

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Solution

The fourth proportional to 279,564,250.55, 385,799,834.97 and 154,113,693.24 is: 212,677,541.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,564,250.55 : 385,799,834.97 = 154,113,693.24 : x
  2. Step 2: Convert to fraction form
    279,564,250.55/385,799,834.97 = 154,113,693.24/x
  3. Step 3: Cross multiply
    279,564,250.55x = 385,799,834.97 × 154,113,693.24
  4. Step 4: Simplify right side
    279,564,250.55x = 59,457,037,418,609,216
  5. Step 5: Solve for x
    x = 59,457,037,418,609,216/279,564,250.55
  6. Step 6: Final answer
    x = 212,677,541.22

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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.