Home / 258,457,802.76-356,674,044.15-140,983,655.45

Finding the Fourth Proportional to 258,457,802.76, 356,674,044.15 and 140,983,655.45

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Solution

The fourth proportional to 258,457,802.76, 356,674,044.15 and 140,983,655.45 is: 194,558,686.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    258,457,802.76 : 356,674,044.15 = 140,983,655.45 : x
  2. Step 2: Convert to fraction form
    258,457,802.76/356,674,044.15 = 140,983,655.45/x
  3. Step 3: Cross multiply
    258,457,802.76x = 356,674,044.15 × 140,983,655.45
  4. Step 4: Simplify right side
    258,457,802.76x = 50,285,210,546,618,312
  5. Step 5: Solve for x
    x = 50,285,210,546,618,312/258,457,802.76
  6. Step 6: Final answer
    x = 194,558,686.21

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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.