Home / 82,989,077.25-124,545,894.09-31,224,730.98

Finding the Fourth Proportional to 82,989,077.25, 124,545,894.09 and 31,224,730.98

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Solution

The fourth proportional to 82,989,077.25, 124,545,894.09 and 31,224,730.98 is: 46,860,528.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,989,077.25 : 124,545,894.09 = 31,224,730.98 : x
  2. Step 2: Convert to fraction form
    82,989,077.25/124,545,894.09 = 31,224,730.98/x
  3. Step 3: Cross multiply
    82,989,077.25x = 124,545,894.09 × 31,224,730.98
  4. Step 4: Simplify right side
    82,989,077.25x = 3,888,912,037,623,822
  5. Step 5: Solve for x
    x = 3,888,912,037,623,822/82,989,077.25
  6. Step 6: Final answer
    x = 46,860,528.72

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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.