Home / 258,457,800.51-356,674,041.05-140,983,653.20

Finding the Fourth Proportional to 258,457,800.51, 356,674,041.05 and 140,983,653.20

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Solution

The fourth proportional to 258,457,800.51, 356,674,041.05 and 140,983,653.20 is: 194,558,683.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    258,457,800.51 : 356,674,041.05 = 140,983,653.20 : x
  2. Step 2: Convert to fraction form
    258,457,800.51/356,674,041.05 = 140,983,653.20/x
  3. Step 3: Cross multiply
    258,457,800.51x = 356,674,041.05 × 140,983,653.20
  4. Step 4: Simplify right side
    258,457,800.51x = 50,285,209,306,347,472
  5. Step 5: Solve for x
    x = 50,285,209,306,347,472/258,457,800.51
  6. Step 6: Final answer
    x = 194,558,683.11

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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.