Home / 105,253,761.36-157,878,851.40-31,477,710

Finding the Fourth Proportional to 105,253,761.36, 157,878,851.40 and 31,477,710

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Solution

The fourth proportional to 105,253,761.36, 157,878,851.40 and 31,477,710 is: 47,216,029.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,253,761.36 : 157,878,851.40 = 31,477,710 : x
  2. Step 2: Convert to fraction form
    105,253,761.36/157,878,851.40 = 31,477,710/x
  3. Step 3: Cross multiply
    105,253,761.36x = 157,878,851.40 × 31,477,710
  4. Step 4: Simplify right side
    105,253,761.36x = 4,969,664,699,502,294
  5. Step 5: Solve for x
    x = 4,969,664,699,502,294/105,253,761.36
  6. Step 6: Final answer
    x = 47,216,029.48

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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.