Home / 45,249,018.66-67,874,158.53-12,900,921.17

Finding the Fourth Proportional to 45,249,018.66, 67,874,158.53 and 12,900,921.17

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Solution

The fourth proportional to 45,249,018.66, 67,874,158.53 and 12,900,921.17 is: 19,351,561.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,249,018.66 : 67,874,158.53 = 12,900,921.17 : x
  2. Step 2: Convert to fraction form
    45,249,018.66/67,874,158.53 = 12,900,921.17/x
  3. Step 3: Cross multiply
    45,249,018.66x = 67,874,158.53 × 12,900,921.17
  4. Step 4: Simplify right side
    45,249,018.66x = 875,639,168,336,242.25
  5. Step 5: Solve for x
    x = 875,639,168,336,242.25/45,249,018.66
  6. Step 6: Final answer
    x = 19,351,561.52

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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.