Home / 130,807,549.52-180,518,510.76-75,063,177.68

Finding the Fourth Proportional to 130,807,549.52, 180,518,510.76 and 75,063,177.68

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Solution

The fourth proportional to 130,807,549.52, 180,518,510.76 and 75,063,177.68 is: 103,589,533.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,807,549.52 : 180,518,510.76 = 75,063,177.68 : x
  2. Step 2: Convert to fraction form
    130,807,549.52/180,518,510.76 = 75,063,177.68/x
  3. Step 3: Cross multiply
    130,807,549.52x = 180,518,510.76 × 75,063,177.68
  4. Step 4: Simplify right side
    130,807,549.52x = 13,550,293,047,706,872
  5. Step 5: Solve for x
    x = 13,550,293,047,706,872/130,807,549.52
  6. Step 6: Final answer
    x = 103,589,533.61

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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.