Home / 137,754,634.65-190,101,385.18-75,874,973.21

Finding the Fourth Proportional to 137,754,634.65, 190,101,385.18 and 75,874,973.21

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Solution

The fourth proportional to 137,754,634.65, 190,101,385.18 and 75,874,973.21 is: 104,707,457.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,754,634.65 : 190,101,385.18 = 75,874,973.21 : x
  2. Step 2: Convert to fraction form
    137,754,634.65/190,101,385.18 = 75,874,973.21/x
  3. Step 3: Cross multiply
    137,754,634.65x = 190,101,385.18 × 75,874,973.21
  4. Step 4: Simplify right side
    137,754,634.65x = 14,423,937,507,716,390
  5. Step 5: Solve for x
    x = 14,423,937,507,716,390/137,754,634.65
  6. Step 6: Final answer
    x = 104,707,457.17

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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.