Home / 124,688,488,879.58-172,071,469,002.55-73,249,216,782.32

Finding the Fourth Proportional to 124,688,488,879.58, 172,071,469,002.55 and 73,249,216,782.32

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Solution

The fourth proportional to 124,688,488,879.58, 172,071,469,002.55 and 73,249,216,782.32 is: 101,084,714,782.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,688,488,879.58 : 172,071,469,002.55 = 73,249,216,782.32 : x
  2. Step 2: Convert to fraction form
    124,688,488,879.58/172,071,469,002.55 = 73,249,216,782.32/x
  3. Step 3: Cross multiply
    124,688,488,879.58x = 172,071,469,002.55 × 73,249,216,782.32
  4. Step 4: Simplify right side
    124,688,488,879.58x = 12,604,100,335,020,384,714,752
  5. Step 5: Solve for x
    x = 12,604,100,335,020,384,714,752/124,688,488,879.58
  6. Step 6: Final answer
    x = 101,084,714,782.24

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.