Home / 130,824,283.06-180,529,376.09-72,083,661

Finding the Fourth Proportional to 130,824,283.06, 180,529,376.09 and 72,083,661

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Solution

The fourth proportional to 130,824,283.06, 180,529,376.09 and 72,083,661 is: 99,470,970.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,824,283.06 : 180,529,376.09 = 72,083,661 : x
  2. Step 2: Convert to fraction form
    130,824,283.06/180,529,376.09 = 72,083,661/x
  3. Step 3: Cross multiply
    130,824,283.06x = 180,529,376.09 × 72,083,661
  4. Step 4: Simplify right side
    130,824,283.06x = 13,013,218,346,613,066
  5. Step 5: Solve for x
    x = 13,013,218,346,613,066/130,824,283.06
  6. Step 6: Final answer
    x = 99,470,970.08

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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.