Home / 64,577,074.12-89,113,795.40-38,123,948.96

Finding the Fourth Proportional to 64,577,074.12, 89,113,795.40 and 38,123,948.96

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Solution

The fourth proportional to 64,577,074.12, 89,113,795.40 and 38,123,948.96 is: 52,609,534.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,577,074.12 : 89,113,795.40 = 38,123,948.96 : x
  2. Step 2: Convert to fraction form
    64,577,074.12/89,113,795.40 = 38,123,948.96/x
  3. Step 3: Cross multiply
    64,577,074.12x = 89,113,795.40 × 38,123,948.96
  4. Step 4: Simplify right side
    64,577,074.12x = 3,397,369,787,461,483
  5. Step 5: Solve for x
    x = 3,397,369,787,461,483/64,577,074.12
  6. Step 6: Final answer
    x = 52,609,534.17

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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.