Home / 137,760,687.95-190,108,120.23-75,036,588.93

Finding the Fourth Proportional to 137,760,687.95, 190,108,120.23 and 75,036,588.93

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Solution

The fourth proportional to 137,760,687.95, 190,108,120.23 and 75,036,588.93 is: 103,549,605.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,760,687.95 : 190,108,120.23 = 75,036,588.93 : x
  2. Step 2: Convert to fraction form
    137,760,687.95/190,108,120.23 = 75,036,588.93/x
  3. Step 3: Cross multiply
    137,760,687.95x = 190,108,120.23 × 75,036,588.93
  4. Step 4: Simplify right side
    137,760,687.95x = 14,265,064,869,953,528
  5. Step 5: Solve for x
    x = 14,265,064,869,953,528/137,760,687.95
  6. Step 6: Final answer
    x = 103,549,605.35

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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.