Home / 104,976,128.10-157,464,192.15-90,363,468.90

Finding the Fourth Proportional to 104,976,128.10, 157,464,192.15 and 90,363,468.90

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Solution

The fourth proportional to 104,976,128.10, 157,464,192.15 and 90,363,468.90 is: 135,545,203.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,976,128.10 : 157,464,192.15 = 90,363,468.90 : x
  2. Step 2: Convert to fraction form
    104,976,128.10/157,464,192.15 = 90,363,468.90/x
  3. Step 3: Cross multiply
    104,976,128.10x = 157,464,192.15 × 90,363,468.90
  4. Step 4: Simplify right side
    104,976,128.10x = 14,229,010,630,210,150
  5. Step 5: Solve for x
    x = 14,229,010,630,210,150/104,976,128.10
  6. Step 6: Final answer
    x = 135,545,203.35

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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.