Home / 127,613,147.04-176,105,247.12-69,666,395.04

Finding the Fourth Proportional to 127,613,147.04, 176,105,247.12 and 69,666,395.04

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Solution

The fourth proportional to 127,613,147.04, 176,105,247.12 and 69,666,395.04 is: 96,139,136.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,613,147.04 : 176,105,247.12 = 69,666,395.04 : x
  2. Step 2: Convert to fraction form
    127,613,147.04/176,105,247.12 = 69,666,395.04/x
  3. Step 3: Cross multiply
    127,613,147.04x = 176,105,247.12 × 69,666,395.04
  4. Step 4: Simplify right side
    127,613,147.04x = 12,268,617,714,478,744
  5. Step 5: Solve for x
    x = 12,268,617,714,478,744/127,613,147.04
  6. Step 6: Final answer
    x = 96,139,136.12

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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.