Home / 124,745,402.58-187,130,937.69-47,087,718.90

Finding the Fourth Proportional to 124,745,402.58, 187,130,937.69 and 47,087,718.90

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Solution

The fourth proportional to 124,745,402.58, 187,130,937.69 and 47,087,718.90 is: 70,636,422.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,745,402.58 : 187,130,937.69 = 47,087,718.90 : x
  2. Step 2: Convert to fraction form
    124,745,402.58/187,130,937.69 = 47,087,718.90/x
  3. Step 3: Cross multiply
    124,745,402.58x = 187,130,937.69 × 47,087,718.90
  4. Step 4: Simplify right side
    124,745,402.58x = 8,811,568,991,440,135
  5. Step 5: Solve for x
    x = 8,811,568,991,440,135/124,745,402.58
  6. Step 6: Final answer
    x = 70,636,422.74

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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.