Home / 103,389,981.84-142,699,347.06-61,598,529

Finding the Fourth Proportional to 103,389,981.84, 142,699,347.06 and 61,598,529

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Solution

The fourth proportional to 103,389,981.84, 142,699,347.06 and 61,598,529 is: 85,018,584.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,389,981.84 : 142,699,347.06 = 61,598,529 : x
  2. Step 2: Convert to fraction form
    103,389,981.84/142,699,347.06 = 61,598,529/x
  3. Step 3: Cross multiply
    103,389,981.84x = 142,699,347.06 × 61,598,529
  4. Step 4: Simplify right side
    103,389,981.84x = 8,790,069,868,156,475
  5. Step 5: Solve for x
    x = 8,790,069,868,156,475/103,389,981.84
  6. Step 6: Final answer
    x = 85,018,584.12

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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.