Home / 209,462,831.40-314,335,964.70-94,388,140.20

Finding the Fourth Proportional to 209,462,831.40, 314,335,964.70 and 94,388,140.20

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Solution

The fourth proportional to 209,462,831.40, 314,335,964.70 and 94,388,140.20 is: 141,646,071.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,462,831.40 : 314,335,964.70 = 94,388,140.20 : x
  2. Step 2: Convert to fraction form
    209,462,831.40/314,335,964.70 = 94,388,140.20/x
  3. Step 3: Cross multiply
    209,462,831.40x = 314,335,964.70 × 94,388,140.20
  4. Step 4: Simplify right side
    209,462,831.40x = 29,669,587,106,005,852
  5. Step 5: Solve for x
    x = 29,669,587,106,005,852/209,462,831.40
  6. Step 6: Final answer
    x = 141,646,071.08

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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.