Home / 160,349,677.89-221,283,162.45-87,010,819.89

Finding the Fourth Proportional to 160,349,677.89, 221,283,162.45 and 87,010,819.89

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Solution

The fourth proportional to 160,349,677.89, 221,283,162.45 and 87,010,819.89 is: 120,075,260.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,349,677.89 : 221,283,162.45 = 87,010,819.89 : x
  2. Step 2: Convert to fraction form
    160,349,677.89/221,283,162.45 = 87,010,819.89/x
  3. Step 3: Cross multiply
    160,349,677.89x = 221,283,162.45 × 87,010,819.89
  4. Step 4: Simplify right side
    160,349,677.89x = 19,254,029,392,626,560
  5. Step 5: Solve for x
    x = 19,254,029,392,626,560/160,349,677.89
  6. Step 6: Final answer
    x = 120,075,260.80

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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.