Home / 139,254,425.03-192,175,713.90-76,532,746.19

Finding the Fourth Proportional to 139,254,425.03, 192,175,713.90 and 76,532,746.19

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Solution

The fourth proportional to 139,254,425.03, 192,175,713.90 and 76,532,746.19 is: 105,617,721.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,254,425.03 : 192,175,713.90 = 76,532,746.19 : x
  2. Step 2: Convert to fraction form
    139,254,425.03/192,175,713.90 = 76,532,746.19/x
  3. Step 3: Cross multiply
    139,254,425.03x = 192,175,713.90 × 76,532,746.19
  4. Step 4: Simplify right side
    139,254,425.03x = 14,707,735,134,829,878
  5. Step 5: Solve for x
    x = 14,707,735,134,829,878/139,254,425.03
  6. Step 6: Final answer
    x = 105,617,721.89

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.