Home / 85,338,735-117,729,925.35-50,038,521.90

Finding the Fourth Proportional to 85,338,735, 117,729,925.35 and 50,038,521.90

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Solution

The fourth proportional to 85,338,735, 117,729,925.35 and 50,038,521.90 is: 69,031,155.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,338,735 : 117,729,925.35 = 50,038,521.90 : x
  2. Step 2: Convert to fraction form
    85,338,735/117,729,925.35 = 50,038,521.90/x
  3. Step 3: Cross multiply
    85,338,735x = 117,729,925.35 × 50,038,521.90
  4. Step 4: Simplify right side
    85,338,735x = 5,891,031,447,911,340
  5. Step 5: Solve for x
    x = 5,891,031,447,911,340/85,338,735
  6. Step 6: Final answer
    x = 69,031,155.05

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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.