Home / 129,363,043.80-194,044,565.70-83,446,541.40

Finding the Fourth Proportional to 129,363,043.80, 194,044,565.70 and 83,446,541.40

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Solution

The fourth proportional to 129,363,043.80, 194,044,565.70 and 83,446,541.40 is: 125,169,812.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,363,043.80 : 194,044,565.70 = 83,446,541.40 : x
  2. Step 2: Convert to fraction form
    129,363,043.80/194,044,565.70 = 83,446,541.40/x
  3. Step 3: Cross multiply
    129,363,043.80x = 194,044,565.70 × 83,446,541.40
  4. Step 4: Simplify right side
    129,363,043.80x = 16,192,347,885,130,070
  5. Step 5: Solve for x
    x = 16,192,347,885,130,070/129,363,043.80
  6. Step 6: Final answer
    x = 125,169,812.10

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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.