Home / 130,572,210.69-180,189,381.33-71,834,735.07

Finding the Fourth Proportional to 130,572,210.69, 180,189,381.33 and 71,834,735.07

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Solution

The fourth proportional to 130,572,210.69, 180,189,381.33 and 71,834,735.07 is: 99,131,786.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,572,210.69 : 180,189,381.33 = 71,834,735.07 : x
  2. Step 2: Convert to fraction form
    130,572,210.69/180,189,381.33 = 71,834,735.07/x
  3. Step 3: Cross multiply
    130,572,210.69x = 180,189,381.33 × 71,834,735.07
  4. Step 4: Simplify right side
    130,572,210.69x = 12,943,856,470,267,754
  5. Step 5: Solve for x
    x = 12,943,856,470,267,754/130,572,210.69
  6. Step 6: Final answer
    x = 99,131,786.17

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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.