Home / 145,053,865.14-217,604,431.89-42,828,236.34

Finding the Fourth Proportional to 145,053,865.14, 217,604,431.89 and 42,828,236.34

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Solution

The fourth proportional to 145,053,865.14, 217,604,431.89 and 42,828,236.34 is: 64,249,332.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,053,865.14 : 217,604,431.89 = 42,828,236.34 : x
  2. Step 2: Convert to fraction form
    145,053,865.14/217,604,431.89 = 42,828,236.34/x
  3. Step 3: Cross multiply
    145,053,865.14x = 217,604,431.89 × 42,828,236.34
  4. Step 4: Simplify right side
    145,053,865.14x = 9,319,614,037,616,354
  5. Step 5: Solve for x
    x = 9,319,614,037,616,354/145,053,865.14
  6. Step 6: Final answer
    x = 64,249,332.68

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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.