Home / 68,616,675.40-102,830,534.70-45,521,955.40

Finding the Fourth Proportional to 68,616,675.40, 102,830,534.70 and 45,521,955.40

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Solution

The fourth proportional to 68,616,675.40, 102,830,534.70 and 45,521,955.40 is: 68,220,253.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,616,675.40 : 102,830,534.70 = 45,521,955.40 : x
  2. Step 2: Convert to fraction form
    68,616,675.40/102,830,534.70 = 45,521,955.40/x
  3. Step 3: Cross multiply
    68,616,675.40x = 102,830,534.70 × 45,521,955.40
  4. Step 4: Simplify right side
    68,616,675.40x = 4,681,047,014,371,552
  5. Step 5: Solve for x
    x = 4,681,047,014,371,552/68,616,675.40
  6. Step 6: Final answer
    x = 68,220,253.85

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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.