Home / 245,376,002.80-368,064,004.20-72,879,439.60

Finding the Fourth Proportional to 245,376,002.80, 368,064,004.20 and 72,879,439.60

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Solution

The fourth proportional to 245,376,002.80, 368,064,004.20 and 72,879,439.60 is: 109,319,159.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,376,002.80 : 368,064,004.20 = 72,879,439.60 : x
  2. Step 2: Convert to fraction form
    245,376,002.80/368,064,004.20 = 72,879,439.60/x
  3. Step 3: Cross multiply
    245,376,002.80x = 368,064,004.20 × 72,879,439.60
  4. Step 4: Simplify right side
    245,376,002.80x = 26,824,298,363,028,044
  5. Step 5: Solve for x
    x = 26,824,298,363,028,044/245,376,002.80
  6. Step 6: Final answer
    x = 109,319,159.40

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1.5x scale

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.