Home / 98,520,341,746.74-147,700,985,388.06-90,568,042,423.52

Finding the Fourth Proportional to 98,520,341,746.74, 147,700,985,388.06 and 90,568,042,423.52

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Solution

The fourth proportional to 98,520,341,746.74, 147,700,985,388.06 and 90,568,042,423.52 is: 135,778,955,629.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,520,341,746.74 : 147,700,985,388.06 = 90,568,042,423.52 : x
  2. Step 2: Convert to fraction form
    98,520,341,746.74/147,700,985,388.06 = 90,568,042,423.52/x
  3. Step 3: Cross multiply
    98,520,341,746.74x = 147,700,985,388.06 × 90,568,042,423.52
  4. Step 4: Simplify right side
    98,520,341,746.74x = 13,376,989,110,621,526,032,384
  5. Step 5: Solve for x
    x = 13,376,989,110,621,526,032,384/98,520,341,746.74
  6. Step 6: Final answer
    x = 135,778,955,629.38

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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.