Home / 139,359,693.93-209,026,033.41-42,316,254.57

Finding the Fourth Proportional to 139,359,693.93, 209,026,033.41 and 42,316,254.57

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Solution

The fourth proportional to 139,359,693.93, 209,026,033.41 and 42,316,254.57 is: 63,470,280.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,359,693.93 : 209,026,033.41 = 42,316,254.57 : x
  2. Step 2: Convert to fraction form
    139,359,693.93/209,026,033.41 = 42,316,254.57/x
  3. Step 3: Cross multiply
    139,359,693.93x = 209,026,033.41 × 42,316,254.57
  4. Step 4: Simplify right side
    139,359,693.93x = 8,845,198,841,534,885
  5. Step 5: Solve for x
    x = 8,845,198,841,534,885/139,359,693.93
  6. Step 6: Final answer
    x = 63,470,280.34

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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.