Home / 72,929,966.32-109,354,567.74-29,829,440.26

Finding the Fourth Proportional to 72,929,966.32, 109,354,567.74 and 29,829,440.26

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Solution

The fourth proportional to 72,929,966.32, 109,354,567.74 and 29,829,440.26 is: 44,727,643.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,929,966.32 : 109,354,567.74 = 29,829,440.26 : x
  2. Step 2: Convert to fraction form
    72,929,966.32/109,354,567.74 = 29,829,440.26/x
  3. Step 3: Cross multiply
    72,929,966.32x = 109,354,567.74 × 29,829,440.26
  4. Step 4: Simplify right side
    72,929,966.32x = 3,261,985,545,558,453
  5. Step 5: Solve for x
    x = 3,261,985,545,558,453/72,929,966.32
  6. Step 6: Final answer
    x = 44,727,643.66

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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.