Home / 163,956,246.40-245,934,369.60-42,787,698.40

Finding the Fourth Proportional to 163,956,246.40, 245,934,369.60 and 42,787,698.40

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Solution

The fourth proportional to 163,956,246.40, 245,934,369.60 and 42,787,698.40 is: 64,181,547.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,956,246.40 : 245,934,369.60 = 42,787,698.40 : x
  2. Step 2: Convert to fraction form
    163,956,246.40/245,934,369.60 = 42,787,698.40/x
  3. Step 3: Cross multiply
    163,956,246.40x = 245,934,369.60 × 42,787,698.40
  4. Step 4: Simplify right side
    163,956,246.40x = 10,522,965,632,638,928
  5. Step 5: Solve for x
    x = 10,522,965,632,638,928/163,956,246.40
  6. Step 6: Final answer
    x = 64,181,547.60

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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.