Home / 130,154,541.12-179,613,197.28-71,417,592

Finding the Fourth Proportional to 130,154,541.12, 179,613,197.28 and 71,417,592

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Solution

The fourth proportional to 130,154,541.12, 179,613,197.28 and 71,417,592 is: 98,556,238.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,154,541.12 : 179,613,197.28 = 71,417,592 : x
  2. Step 2: Convert to fraction form
    130,154,541.12/179,613,197.28 = 71,417,592/x
  3. Step 3: Cross multiply
    130,154,541.12x = 179,613,197.28 × 71,417,592
  4. Step 4: Simplify right side
    130,154,541.12x = 12,827,542,041,158,550
  5. Step 5: Solve for x
    x = 12,827,542,041,158,550/130,154,541.12
  6. Step 6: Final answer
    x = 98,556,238.84

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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.