Home / 72,102,663,739.60-99,488,519,470.32-41,607,722,358.52

Finding the Fourth Proportional to 72,102,663,739.60, 99,488,519,470.32 and 41,607,722,358.52

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Solution

The fourth proportional to 72,102,663,739.60, 99,488,519,470.32 and 41,607,722,358.52 is: 57,411,064,741.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,102,663,739.60 : 99,488,519,470.32 = 41,607,722,358.52 : x
  2. Step 2: Convert to fraction form
    72,102,663,739.60/99,488,519,470.32 = 41,607,722,358.52/x
  3. Step 3: Cross multiply
    72,102,663,739.60x = 99,488,519,470.32 × 41,607,722,358.52
  4. Step 4: Simplify right side
    72,102,663,739.60x = 4,139,490,695,981,286,031,360
  5. Step 5: Solve for x
    x = 4,139,490,695,981,286,031,360/72,102,663,739.60
  6. Step 6: Final answer
    x = 57,411,064,741.40

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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.