Home / 138,696,002.70-208,044,004.05-70,671,554.70

Finding the Fourth Proportional to 138,696,002.70, 208,044,004.05 and 70,671,554.70

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Solution

The fourth proportional to 138,696,002.70, 208,044,004.05 and 70,671,554.70 is: 106,007,332.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,696,002.70 : 208,044,004.05 = 70,671,554.70 : x
  2. Step 2: Convert to fraction form
    138,696,002.70/208,044,004.05 = 70,671,554.70/x
  3. Step 3: Cross multiply
    138,696,002.70x = 208,044,004.05 × 70,671,554.70
  4. Step 4: Simplify right side
    138,696,002.70x = 14,702,793,212,226,598
  5. Step 5: Solve for x
    x = 14,702,793,212,226,598/138,696,002.70
  6. Step 6: Final answer
    x = 106,007,332.05

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.