Home / 45,313,485.10-67,970,227.65-40,778,521.90

Finding the Fourth Proportional to 45,313,485.10, 67,970,227.65 and 40,778,521.90

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Solution

The fourth proportional to 45,313,485.10, 67,970,227.65 and 40,778,521.90 is: 61,167,782.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,313,485.10 : 67,970,227.65 = 40,778,521.90 : x
  2. Step 2: Convert to fraction form
    45,313,485.10/67,970,227.65 = 40,778,521.90/x
  3. Step 3: Cross multiply
    45,313,485.10x = 67,970,227.65 × 40,778,521.90
  4. Step 4: Simplify right side
    45,313,485.10x = 2,771,725,416,773,510.50
  5. Step 5: Solve for x
    x = 2,771,725,416,773,510.50/45,313,485.10
  6. Step 6: Final answer
    x = 61,167,782.85

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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.