Home / 105,346,094.80-158,355,065.40-99,299,477.20

Finding the Fourth Proportional to 105,346,094.80, 158,355,065.40 and 99,299,477.20

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Solution

The fourth proportional to 105,346,094.80, 158,355,065.40 and 99,299,477.20 is: 149,265,857.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,346,094.80 : 158,355,065.40 = 99,299,477.20 : x
  2. Step 2: Convert to fraction form
    105,346,094.80/158,355,065.40 = 99,299,477.20/x
  3. Step 3: Cross multiply
    105,346,094.80x = 158,355,065.40 × 99,299,477.20
  4. Step 4: Simplify right side
    105,346,094.80x = 15,724,575,206,191,810
  5. Step 5: Solve for x
    x = 15,724,575,206,191,810/105,346,094.80
  6. Step 6: Final answer
    x = 149,265,857.80

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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.