Home / 130,740,900.93-180,442,058.13-99,327,256.56

Finding the Fourth Proportional to 130,740,900.93, 180,442,058.13 and 99,327,256.56

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Solution

The fourth proportional to 130,740,900.93, 180,442,058.13 and 99,327,256.56 is: 137,086,515.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,740,900.93 : 180,442,058.13 = 99,327,256.56 : x
  2. Step 2: Convert to fraction form
    130,740,900.93/180,442,058.13 = 99,327,256.56/x
  3. Step 3: Cross multiply
    130,740,900.93x = 180,442,058.13 × 99,327,256.56
  4. Step 4: Simplify right side
    130,740,900.93x = 17,922,814,602,092,944
  5. Step 5: Solve for x
    x = 17,922,814,602,092,944/130,740,900.93
  6. Step 6: Final answer
    x = 137,086,515.96

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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.