Home / 98,520,341,740.61-147,700,985,378.87-90,568,042,417.38

Finding the Fourth Proportional to 98,520,341,740.61, 147,700,985,378.87 and 90,568,042,417.38

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Solution

The fourth proportional to 98,520,341,740.61, 147,700,985,378.87 and 90,568,042,417.38 is: 135,778,955,620.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,520,341,740.61 : 147,700,985,378.87 = 90,568,042,417.38 : x
  2. Step 2: Convert to fraction form
    98,520,341,740.61/147,700,985,378.87 = 90,568,042,417.38/x
  3. Step 3: Cross multiply
    98,520,341,740.61x = 147,700,985,378.87 × 90,568,042,417.38
  4. Step 4: Simplify right side
    98,520,341,740.61x = 13,376,989,108,882,322,227,200
  5. Step 5: Solve for x
    x = 13,376,989,108,882,322,227,200/98,520,341,740.61
  6. Step 6: Final answer
    x = 135,778,955,620.18

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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.