Home / 243,455,264.48-365,238,885-79,698,303.20

Finding the Fourth Proportional to 243,455,264.48, 365,238,885 and 79,698,303.20

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Solution

The fourth proportional to 243,455,264.48, 365,238,885 and 79,698,303.20 is: 119,565,783.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,455,264.48 : 365,238,885 = 79,698,303.20 : x
  2. Step 2: Convert to fraction form
    243,455,264.48/365,238,885 = 79,698,303.20/x
  3. Step 3: Cross multiply
    243,455,264.48x = 365,238,885 × 79,698,303.20
  4. Step 4: Simplify right side
    243,455,264.48x = 29,108,919,397,159,932
  5. Step 5: Solve for x
    x = 29,108,919,397,159,932/243,455,264.48
  6. Step 6: Final answer
    x = 119,565,783.30

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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.