Home / 341,639,746.20-512,409,852.90-99,277,378.20

Finding the Fourth Proportional to 341,639,746.20, 512,409,852.90 and 99,277,378.20

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Solution

The fourth proportional to 341,639,746.20, 512,409,852.90 and 99,277,378.20 is: 148,901,605.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,639,746.20 : 512,409,852.90 = 99,277,378.20 : x
  2. Step 2: Convert to fraction form
    341,639,746.20/512,409,852.90 = 99,277,378.20/x
  3. Step 3: Cross multiply
    341,639,746.20x = 512,409,852.90 × 99,277,378.20
  4. Step 4: Simplify right side
    341,639,746.20x = 50,870,706,759,759,664
  5. Step 5: Solve for x
    x = 50,870,706,759,759,664/341,639,746.20
  6. Step 6: Final answer
    x = 148,901,605.64

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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.