Home / 139,851,543.32-209,796,459.44-47,710,542.41

Finding the Fourth Proportional to 139,851,543.32, 209,796,459.44 and 47,710,542.41

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Solution

The fourth proportional to 139,851,543.32, 209,796,459.44 and 47,710,542.41 is: 71,572,344.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,851,543.32 : 209,796,459.44 = 47,710,542.41 : x
  2. Step 2: Convert to fraction form
    139,851,543.32/209,796,459.44 = 47,710,542.41/x
  3. Step 3: Cross multiply
    139,851,543.32x = 209,796,459.44 × 47,710,542.41
  4. Step 4: Simplify right side
    139,851,543.32x = 10,009,502,874,292,430
  5. Step 5: Solve for x
    x = 10,009,502,874,292,430/139,851,543.32
  6. Step 6: Final answer
    x = 71,572,344.77

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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.