Home / 143,803,848.87-215,674,462.86-38,756,740.06

Finding the Fourth Proportional to 143,803,848.87, 215,674,462.86 and 38,756,740.06

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Solution

The fourth proportional to 143,803,848.87, 215,674,462.86 and 38,756,740.06 is: 58,126,671.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,803,848.87 : 215,674,462.86 = 38,756,740.06 : x
  2. Step 2: Convert to fraction form
    143,803,848.87/215,674,462.86 = 38,756,740.06/x
  3. Step 3: Cross multiply
    143,803,848.87x = 215,674,462.86 × 38,756,740.06
  4. Step 4: Simplify right side
    143,803,848.87x = 8,358,839,094,645,145
  5. Step 5: Solve for x
    x = 8,358,839,094,645,145/143,803,848.87
  6. Step 6: Final answer
    x = 58,126,671.58

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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.