Home / 55,780,433.60-83,670,650.40-19,865,681.60

Finding the Fourth Proportional to 55,780,433.60, 83,670,650.40 and 19,865,681.60

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Solution

The fourth proportional to 55,780,433.60, 83,670,650.40 and 19,865,681.60 is: 29,798,522.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,780,433.60 : 83,670,650.40 = 19,865,681.60 : x
  2. Step 2: Convert to fraction form
    55,780,433.60/83,670,650.40 = 19,865,681.60/x
  3. Step 3: Cross multiply
    55,780,433.60x = 83,670,650.40 × 19,865,681.60
  4. Step 4: Simplify right side
    55,780,433.60x = 1,662,174,500,111,313
  5. Step 5: Solve for x
    x = 1,662,174,500,111,313/55,780,433.60
  6. Step 6: Final answer
    x = 29,798,522.40

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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.