Home / 137,810,581.76-190,176,208.17-75,087,195.16

Finding the Fourth Proportional to 137,810,581.76, 190,176,208.17 and 75,087,195.16

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Solution

The fourth proportional to 137,810,581.76, 190,176,208.17 and 75,087,195.16 is: 103,619,024.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,810,581.76 : 190,176,208.17 = 75,087,195.16 : x
  2. Step 2: Convert to fraction form
    137,810,581.76/190,176,208.17 = 75,087,195.16/x
  3. Step 3: Cross multiply
    137,810,581.76x = 190,176,208.17 × 75,087,195.16
  4. Step 4: Simplify right side
    137,810,581.76x = 14,279,798,057,671,880
  5. Step 5: Solve for x
    x = 14,279,798,057,671,880/137,810,581.76
  6. Step 6: Final answer
    x = 103,619,024.57

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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.