Home / 52,464,352.60-78,696,528.90-42,890,541.40

Finding the Fourth Proportional to 52,464,352.60, 78,696,528.90 and 42,890,541.40

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Solution

The fourth proportional to 52,464,352.60, 78,696,528.90 and 42,890,541.40 is: 64,335,812.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,464,352.60 : 78,696,528.90 = 42,890,541.40 : x
  2. Step 2: Convert to fraction form
    52,464,352.60/78,696,528.90 = 42,890,541.40/x
  3. Step 3: Cross multiply
    52,464,352.60x = 78,696,528.90 × 42,890,541.40
  4. Step 4: Simplify right side
    52,464,352.60x = 3,375,336,730,821,746.50
  5. Step 5: Solve for x
    x = 3,375,336,730,821,746.50/52,464,352.60
  6. Step 6: Final answer
    x = 64,335,812.10

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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.