Home / 129,437,492.28-178,622,677.82-70,700,195

Finding the Fourth Proportional to 129,437,492.28, 178,622,677.82 and 70,700,195

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Solution

The fourth proportional to 129,437,492.28, 178,622,677.82 and 70,700,195 is: 97,565,689.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,437,492.28 : 178,622,677.82 = 70,700,195 : x
  2. Step 2: Convert to fraction form
    129,437,492.28/178,622,677.82 = 70,700,195/x
  3. Step 3: Cross multiply
    129,437,492.28x = 178,622,677.82 × 70,700,195
  4. Step 4: Simplify right side
    129,437,492.28x = 12,628,658,153,296,174
  5. Step 5: Solve for x
    x = 12,628,658,153,296,174/129,437,492.28
  6. Step 6: Final answer
    x = 97,565,689.28

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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.