Home / 137,899,530.18-190,301,927.85-76,018,510.98

Finding the Fourth Proportional to 137,899,530.18, 190,301,927.85 and 76,018,510.98

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Solution

The fourth proportional to 137,899,530.18, 190,301,927.85 and 76,018,510.98 is: 104,905,862.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,899,530.18 : 190,301,927.85 = 76,018,510.98 : x
  2. Step 2: Convert to fraction form
    137,899,530.18/190,301,927.85 = 76,018,510.98/x
  3. Step 3: Cross multiply
    137,899,530.18x = 190,301,927.85 × 76,018,510.98
  4. Step 4: Simplify right side
    137,899,530.18x = 14,466,469,191,780,394
  5. Step 5: Solve for x
    x = 14,466,469,191,780,394/137,899,530.18
  6. Step 6: Final answer
    x = 104,905,862.79

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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.