Home / 158,698,002.78-218,983,412.88-88,124,017.50

Finding the Fourth Proportional to 158,698,002.78, 218,983,412.88 and 88,124,017.50

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Solution

The fourth proportional to 158,698,002.78, 218,983,412.88 and 88,124,017.50 is: 121,600,132.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,698,002.78 : 218,983,412.88 = 88,124,017.50 : x
  2. Step 2: Convert to fraction form
    158,698,002.78/218,983,412.88 = 88,124,017.50/x
  3. Step 3: Cross multiply
    158,698,002.78x = 218,983,412.88 × 88,124,017.50
  4. Step 4: Simplify right side
    158,698,002.78x = 19,297,698,108,846,844
  5. Step 5: Solve for x
    x = 19,297,698,108,846,844/158,698,002.78
  6. Step 6: Final answer
    x = 121,600,132.14

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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.