Home / 130,190,421.40-195,285,632.10-101,458,101.40

Finding the Fourth Proportional to 130,190,421.40, 195,285,632.10 and 101,458,101.40

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Solution

The fourth proportional to 130,190,421.40, 195,285,632.10 and 101,458,101.40 is: 152,187,152.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,190,421.40 : 195,285,632.10 = 101,458,101.40 : x
  2. Step 2: Convert to fraction form
    130,190,421.40/195,285,632.10 = 101,458,101.40/x
  3. Step 3: Cross multiply
    130,190,421.40x = 195,285,632.10 × 101,458,101.40
  4. Step 4: Simplify right side
    130,190,421.40x = 19,813,309,463,564,896
  5. Step 5: Solve for x
    x = 19,813,309,463,564,896/130,190,421.40
  6. Step 6: Final answer
    x = 152,187,152.10

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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.