Home / 157,248,001.20-235,872,001.80-99,994,090.80

Finding the Fourth Proportional to 157,248,001.20, 235,872,001.80 and 99,994,090.80

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Solution

The fourth proportional to 157,248,001.20, 235,872,001.80 and 99,994,090.80 is: 149,991,136.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,248,001.20 : 235,872,001.80 = 99,994,090.80 : x
  2. Step 2: Convert to fraction form
    157,248,001.20/235,872,001.80 = 99,994,090.80/x
  3. Step 3: Cross multiply
    157,248,001.20x = 235,872,001.80 × 99,994,090.80
  4. Step 4: Simplify right side
    157,248,001.20x = 23,585,806,365,166,964
  5. Step 5: Solve for x
    x = 23,585,806,365,166,964/157,248,001.20
  6. Step 6: Final answer
    x = 149,991,136.20

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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.