Home / 90,495,155-124,882,264.14-49,241,336.60

Finding the Fourth Proportional to 90,495,155, 124,882,264.14 and 49,241,336.60

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Solution

The fourth proportional to 90,495,155, 124,882,264.14 and 49,241,336.60 is: 67,952,473.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,495,155 : 124,882,264.14 = 49,241,336.60 : x
  2. Step 2: Convert to fraction form
    90,495,155/124,882,264.14 = 49,241,336.60/x
  3. Step 3: Cross multiply
    90,495,155x = 124,882,264.14 × 49,241,336.60
  4. Step 4: Simplify right side
    90,495,155x = 6,149,369,603,887,850
  5. Step 5: Solve for x
    x = 6,149,369,603,887,850/90,495,155
  6. Step 6: Final answer
    x = 67,952,473.30

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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.