Home / 130,500,555.79-180,095,439.73-71,767,763.18

Finding the Fourth Proportional to 130,500,555.79, 180,095,439.73 and 71,767,763.18

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Solution

The fourth proportional to 130,500,555.79, 180,095,439.73 and 71,767,763.18 is: 99,042,082.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,500,555.79 : 180,095,439.73 = 71,767,763.18 : x
  2. Step 2: Convert to fraction form
    130,500,555.79/180,095,439.73 = 71,767,763.18/x
  3. Step 3: Cross multiply
    130,500,555.79x = 180,095,439.73 × 71,767,763.18
  4. Step 4: Simplify right side
    130,500,555.79x = 12,925,046,868,340,604
  5. Step 5: Solve for x
    x = 12,925,046,868,340,604/130,500,555.79
  6. Step 6: Final answer
    x = 99,042,082.93

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1.5x scale

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.