Home / 42,688,421.39-58,910,009.02-23,109,295.23

Finding the Fourth Proportional to 42,688,421.39, 58,910,009.02 and 23,109,295.23

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Solution

The fourth proportional to 42,688,421.39, 58,910,009.02 and 23,109,295.23 is: 31,890,820.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,688,421.39 : 58,910,009.02 = 23,109,295.23 : x
  2. Step 2: Convert to fraction form
    42,688,421.39/58,910,009.02 = 23,109,295.23/x
  3. Step 3: Cross multiply
    42,688,421.39x = 58,910,009.02 × 23,109,295.23
  4. Step 4: Simplify right side
    42,688,421.39x = 1,361,368,790,445,143
  5. Step 5: Solve for x
    x = 1,361,368,790,445,143/42,688,421.39
  6. Step 6: Final answer
    x = 31,890,820.65

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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.