Home / 90,806,500.16-125,316,733.20-51,655,173.92

Finding the Fourth Proportional to 90,806,500.16, 125,316,733.20 and 51,655,173.92

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Solution

The fourth proportional to 90,806,500.16, 125,316,733.20 and 51,655,173.92 is: 71,286,280.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,806,500.16 : 125,316,733.20 = 51,655,173.92 : x
  2. Step 2: Convert to fraction form
    90,806,500.16/125,316,733.20 = 51,655,173.92/x
  3. Step 3: Cross multiply
    90,806,500.16x = 125,316,733.20 × 51,655,173.92
  4. Step 4: Simplify right side
    90,806,500.16x = 6,473,257,648,532,239
  5. Step 5: Solve for x
    x = 6,473,257,648,532,239/90,806,500.16
  6. Step 6: Final answer
    x = 71,286,280.58

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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.