Home / 141,865,951.86-195,774,925.13-76,675,855.86

Finding the Fourth Proportional to 141,865,951.86, 195,774,925.13 and 76,675,855.86

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Solution

The fourth proportional to 141,865,951.86, 195,774,925.13 and 76,675,855.86 is: 105,812,633.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,865,951.86 : 195,774,925.13 = 76,675,855.86 : x
  2. Step 2: Convert to fraction form
    141,865,951.86/195,774,925.13 = 76,675,855.86/x
  3. Step 3: Cross multiply
    141,865,951.86x = 195,774,925.13 × 76,675,855.86
  4. Step 4: Simplify right side
    141,865,951.86x = 15,011,209,939,886,792
  5. Step 5: Solve for x
    x = 15,011,209,939,886,792/141,865,951.86
  6. Step 6: Final answer
    x = 105,812,633.29

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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.