Home / 117,280,937.80-176,299,320.30-83,436,675.40

Finding the Fourth Proportional to 117,280,937.80, 176,299,320.30 and 83,436,675.40

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Solution

The fourth proportional to 117,280,937.80, 176,299,320.30 and 83,436,675.40 is: 125,423,870.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,280,937.80 : 176,299,320.30 = 83,436,675.40 : x
  2. Step 2: Convert to fraction form
    117,280,937.80/176,299,320.30 = 83,436,675.40/x
  3. Step 3: Cross multiply
    117,280,937.80x = 176,299,320.30 × 83,436,675.40
  4. Step 4: Simplify right side
    117,280,937.80x = 14,709,829,161,111,732
  5. Step 5: Solve for x
    x = 14,709,829,161,111,732/117,280,937.80
  6. Step 6: Final answer
    x = 125,423,870.55

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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.