Home / 153,462,254,410.24-211,767,160,157.76-89,228,421,623.68

Finding the Fourth Proportional to 153,462,254,410.24, 211,767,160,157.76 and 89,228,421,623.68

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Solution

The fourth proportional to 153,462,254,410.24, 211,767,160,157.76 and 89,228,421,623.68 is: 123,128,970,867.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,462,254,410.24 : 211,767,160,157.76 = 89,228,421,623.68 : x
  2. Step 2: Convert to fraction form
    153,462,254,410.24/211,767,160,157.76 = 89,228,421,623.68/x
  3. Step 3: Cross multiply
    153,462,254,410.24x = 211,767,160,157.76 × 89,228,421,623.68
  4. Step 4: Simplify right side
    153,462,254,410.24x = 18,895,649,452,605,975,822,336
  5. Step 5: Solve for x
    x = 18,895,649,452,605,975,822,336/153,462,254,410.24
  6. Step 6: Final answer
    x = 123,128,970,867.93

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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.