Home / 130,496,278.28-180,096,340.02-71,769,291.08

Finding the Fourth Proportional to 130,496,278.28, 180,096,340.02 and 71,769,291.08

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Solution

The fourth proportional to 130,496,278.28, 180,096,340.02 and 71,769,291.08 is: 99,047,933.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,496,278.28 : 180,096,340.02 = 71,769,291.08 : x
  2. Step 2: Convert to fraction form
    130,496,278.28/180,096,340.02 = 71,769,291.08/x
  3. Step 3: Cross multiply
    130,496,278.28x = 180,096,340.02 × 71,769,291.08
  4. Step 4: Simplify right side
    130,496,278.28x = 12,925,386,649,338,034
  5. Step 5: Solve for x
    x = 12,925,386,649,338,034/130,496,278.28
  6. Step 6: Final answer
    x = 99,047,933.16

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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.