Home / 138,833,145.30-208,249,717.95-103,001,337.30

Finding the Fourth Proportional to 138,833,145.30, 208,249,717.95 and 103,001,337.30

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Solution

The fourth proportional to 138,833,145.30, 208,249,717.95 and 103,001,337.30 is: 154,502,005.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,833,145.30 : 208,249,717.95 = 103,001,337.30 : x
  2. Step 2: Convert to fraction form
    138,833,145.30/208,249,717.95 = 103,001,337.30/x
  3. Step 3: Cross multiply
    138,833,145.30x = 208,249,717.95 × 103,001,337.30
  4. Step 4: Simplify right side
    138,833,145.30x = 21,449,999,441,197,812
  5. Step 5: Solve for x
    x = 21,449,999,441,197,812/138,833,145.30
  6. Step 6: Final answer
    x = 154,502,005.95

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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.