Home / 99,635,365.60-149,453,048.40-61,172,159.20

Finding the Fourth Proportional to 99,635,365.60, 149,453,048.40 and 61,172,159.20

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Solution

The fourth proportional to 99,635,365.60, 149,453,048.40 and 61,172,159.20 is: 91,758,238.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,635,365.60 : 149,453,048.40 = 61,172,159.20 : x
  2. Step 2: Convert to fraction form
    99,635,365.60/149,453,048.40 = 61,172,159.20/x
  3. Step 3: Cross multiply
    99,635,365.60x = 149,453,048.40 × 61,172,159.20
  4. Step 4: Simplify right side
    99,635,365.60x = 9,142,365,669,650,106
  5. Step 5: Solve for x
    x = 9,142,365,669,650,106/99,635,365.60
  6. Step 6: Final answer
    x = 91,758,238.80

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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.