Home / 130,500,555.29-180,095,439.04-71,767,762.68

Finding the Fourth Proportional to 130,500,555.29, 180,095,439.04 and 71,767,762.68

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Solution

The fourth proportional to 130,500,555.29, 180,095,439.04 and 71,767,762.68 is: 99,042,082.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,500,555.29 : 180,095,439.04 = 71,767,762.68 : x
  2. Step 2: Convert to fraction form
    130,500,555.29/180,095,439.04 = 71,767,762.68/x
  3. Step 3: Cross multiply
    130,500,555.29x = 180,095,439.04 × 71,767,762.68
  4. Step 4: Simplify right side
    130,500,555.29x = 12,925,046,728,593,708
  5. Step 5: Solve for x
    x = 12,925,046,728,593,708/130,500,555.29
  6. Step 6: Final answer
    x = 99,042,082.24

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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.