Home / 81,762,307,672.80-122,643,461,509.20-44,569,940,728.80

Finding the Fourth Proportional to 81,762,307,672.80, 122,643,461,509.20 and 44,569,940,728.80

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Solution

The fourth proportional to 81,762,307,672.80, 122,643,461,509.20 and 44,569,940,728.80 is: 66,854,911,093.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,762,307,672.80 : 122,643,461,509.20 = 44,569,940,728.80 : x
  2. Step 2: Convert to fraction form
    81,762,307,672.80/122,643,461,509.20 = 44,569,940,728.80/x
  3. Step 3: Cross multiply
    81,762,307,672.80x = 122,643,461,509.20 × 44,569,940,728.80
  4. Step 4: Simplify right side
    81,762,307,672.80x = 5,466,211,810,239,908,413,440
  5. Step 5: Solve for x
    x = 5,466,211,810,239,908,413,440/81,762,307,672.80
  6. Step 6: Final answer
    x = 66,854,911,093.20

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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.