Home / 64,577,076.12-89,113,798.16-38,123,950.96

Finding the Fourth Proportional to 64,577,076.12, 89,113,798.16 and 38,123,950.96

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Solution

The fourth proportional to 64,577,076.12, 89,113,798.16 and 38,123,950.96 is: 52,609,536.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,577,076.12 : 89,113,798.16 = 38,123,950.96 : x
  2. Step 2: Convert to fraction form
    64,577,076.12/89,113,798.16 = 38,123,950.96/x
  3. Step 3: Cross multiply
    64,577,076.12x = 89,113,798.16 × 38,123,950.96
  4. Step 4: Simplify right side
    64,577,076.12x = 3,397,370,070,911,178
  5. Step 5: Solve for x
    x = 3,397,370,070,911,178/64,577,076.12
  6. Step 6: Final answer
    x = 52,609,536.93

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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.