Home / 56,106,685.20-84,139,032.60-19,701,008.40

Finding the Fourth Proportional to 56,106,685.20, 84,139,032.60 and 19,701,008.40

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Solution

The fourth proportional to 56,106,685.20, 84,139,032.60 and 19,701,008.40 is: 29,544,140.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,106,685.20 : 84,139,032.60 = 19,701,008.40 : x
  2. Step 2: Convert to fraction form
    56,106,685.20/84,139,032.60 = 19,701,008.40/x
  3. Step 3: Cross multiply
    56,106,685.20x = 84,139,032.60 × 19,701,008.40
  4. Step 4: Simplify right side
    56,106,685.20x = 1,657,623,788,020,473.50
  5. Step 5: Solve for x
    x = 1,657,623,788,020,473.50/56,106,685.20
  6. Step 6: Final answer
    x = 29,544,140.46

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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.