Home / 105,842,885.80-158,532,856.44-75,044,108.40

Finding the Fourth Proportional to 105,842,885.80, 158,532,856.44 and 75,044,108.40

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Solution

The fourth proportional to 105,842,885.80, 158,532,856.44 and 75,044,108.40 is: 112,402,045.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,842,885.80 : 158,532,856.44 = 75,044,108.40 : x
  2. Step 2: Convert to fraction form
    105,842,885.80/158,532,856.44 = 75,044,108.40/x
  3. Step 3: Cross multiply
    105,842,885.80x = 158,532,856.44 × 75,044,108.40
  4. Step 4: Simplify right side
    105,842,885.80x = 11,896,956,863,644,998
  5. Step 5: Solve for x
    x = 11,896,956,863,644,998/105,842,885.80
  6. Step 6: Final answer
    x = 112,402,045.48

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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.