Home / 60,657,289.80-90,985,934.70-43,438,601.40

Finding the Fourth Proportional to 60,657,289.80, 90,985,934.70 and 43,438,601.40

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Solution

The fourth proportional to 60,657,289.80, 90,985,934.70 and 43,438,601.40 is: 65,157,902.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,657,289.80 : 90,985,934.70 = 43,438,601.40 : x
  2. Step 2: Convert to fraction form
    60,657,289.80/90,985,934.70 = 43,438,601.40/x
  3. Step 3: Cross multiply
    60,657,289.80x = 90,985,934.70 × 43,438,601.40
  4. Step 4: Simplify right side
    60,657,289.80x = 3,952,301,750,439,728.50
  5. Step 5: Solve for x
    x = 3,952,301,750,439,728.50/60,657,289.80
  6. Step 6: Final answer
    x = 65,157,902.10

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.