Home / 42,312,830.40-63,490,240.80-16,754,673.60

Finding the Fourth Proportional to 42,312,830.40, 63,490,240.80 and 16,754,673.60

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Solution

The fourth proportional to 42,312,830.40, 63,490,240.80 and 16,754,673.60 is: 25,140,323.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,312,830.40 : 63,490,240.80 = 16,754,673.60 : x
  2. Step 2: Convert to fraction form
    42,312,830.40/63,490,240.80 = 16,754,673.60/x
  3. Step 3: Cross multiply
    42,312,830.40x = 63,490,240.80 × 16,754,673.60
  4. Step 4: Simplify right side
    42,312,830.40x = 1,063,758,261,389,402.75
  5. Step 5: Solve for x
    x = 1,063,758,261,389,402.75/42,312,830.40
  6. Step 6: Final answer
    x = 25,140,323.90

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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.