Home / 131,259,654,457.04-181,135,961,966.92-74,165,739,130.46

Finding the Fourth Proportional to 131,259,654,457.04, 181,135,961,966.92 and 74,165,739,130.46

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Solution

The fourth proportional to 131,259,654,457.04, 181,135,961,966.92 and 74,165,739,130.46 is: 102,347,385,858.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,259,654,457.04 : 181,135,961,966.92 = 74,165,739,130.46 : x
  2. Step 2: Convert to fraction form
    131,259,654,457.04/181,135,961,966.92 = 74,165,739,130.46/x
  3. Step 3: Cross multiply
    131,259,654,457.04x = 181,135,961,966.92 × 74,165,739,130.46
  4. Step 4: Simplify right side
    131,259,654,457.04x = 13,434,082,502,382,607,925,248
  5. Step 5: Solve for x
    x = 13,434,082,502,382,607,925,248/131,259,654,457.04
  6. Step 6: Final answer
    x = 102,347,385,858.61

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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.