Home / 112,683,013.80-169,035,936.84-38,897,176.74

Finding the Fourth Proportional to 112,683,013.80, 169,035,936.84 and 38,897,176.74

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Solution

The fourth proportional to 112,683,013.80, 169,035,936.84 and 38,897,176.74 is: 58,349,705.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,683,013.80 : 169,035,936.84 = 38,897,176.74 : x
  2. Step 2: Convert to fraction form
    112,683,013.80/169,035,936.84 = 38,897,176.74/x
  3. Step 3: Cross multiply
    112,683,013.80x = 169,035,936.84 × 38,897,176.74
  4. Step 4: Simplify right side
    112,683,013.80x = 6,575,020,710,676,958
  5. Step 5: Solve for x
    x = 6,575,020,710,676,958/112,683,013.80
  6. Step 6: Final answer
    x = 58,349,705.86

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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.