Home / 104,976,305.20-157,464,457.80-78,900,266.80

Finding the Fourth Proportional to 104,976,305.20, 157,464,457.80 and 78,900,266.80

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Solution

The fourth proportional to 104,976,305.20, 157,464,457.80 and 78,900,266.80 is: 118,350,400.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,976,305.20 : 157,464,457.80 = 78,900,266.80 : x
  2. Step 2: Convert to fraction form
    104,976,305.20/157,464,457.80 = 78,900,266.80/x
  3. Step 3: Cross multiply
    104,976,305.20x = 157,464,457.80 × 78,900,266.80
  4. Step 4: Simplify right side
    104,976,305.20x = 12,423,987,731,937,342
  5. Step 5: Solve for x
    x = 12,423,987,731,937,342/104,976,305.20
  6. Step 6: Final answer
    x = 118,350,400.20

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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.