Home / 158,385,246.40-218,602,281.36-103,285,443.52

Finding the Fourth Proportional to 158,385,246.40, 218,602,281.36 and 103,285,443.52

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Solution

The fourth proportional to 158,385,246.40, 218,602,281.36 and 103,285,443.52 is: 142,553,893.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,385,246.40 : 218,602,281.36 = 103,285,443.52 : x
  2. Step 2: Convert to fraction form
    158,385,246.40/218,602,281.36 = 103,285,443.52/x
  3. Step 3: Cross multiply
    158,385,246.40x = 218,602,281.36 × 103,285,443.52
  4. Step 4: Simplify right side
    158,385,246.40x = 22,578,433,584,751,428
  5. Step 5: Solve for x
    x = 22,578,433,584,751,428/158,385,246.40
  6. Step 6: Final answer
    x = 142,553,893.74

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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.