Home / 72,416,478.80-108,624,718.20-63,063,117.20

Finding the Fourth Proportional to 72,416,478.80, 108,624,718.20 and 63,063,117.20

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Solution

The fourth proportional to 72,416,478.80, 108,624,718.20 and 63,063,117.20 is: 94,594,675.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,416,478.80 : 108,624,718.20 = 63,063,117.20 : x
  2. Step 2: Convert to fraction form
    72,416,478.80/108,624,718.20 = 63,063,117.20/x
  3. Step 3: Cross multiply
    72,416,478.80x = 108,624,718.20 × 63,063,117.20
  4. Step 4: Simplify right side
    72,416,478.80x = 6,850,213,334,663,574
  5. Step 5: Solve for x
    x = 6,850,213,334,663,574/72,416,478.80
  6. Step 6: Final answer
    x = 94,594,675.80

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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.