Home / 153,812,613.56-212,247,956.46-91,077,456.92

Finding the Fourth Proportional to 153,812,613.56, 212,247,956.46 and 91,077,456.92

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Solution

The fourth proportional to 153,812,613.56, 212,247,956.46 and 91,077,456.92 is: 125,678,926.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,812,613.56 : 212,247,956.46 = 91,077,456.92 : x
  2. Step 2: Convert to fraction form
    153,812,613.56/212,247,956.46 = 91,077,456.92/x
  3. Step 3: Cross multiply
    153,812,613.56x = 212,247,956.46 × 91,077,456.92
  4. Step 4: Simplify right side
    153,812,613.56x = 19,331,004,110,843,688
  5. Step 5: Solve for x
    x = 19,331,004,110,843,688/153,812,613.56
  6. Step 6: Final answer
    x = 125,678,926.22

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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.