Home / 52,586,870.60-78,880,305.90-51,831,043.40

Finding the Fourth Proportional to 52,586,870.60, 78,880,305.90 and 51,831,043.40

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Solution

The fourth proportional to 52,586,870.60, 78,880,305.90 and 51,831,043.40 is: 77,746,565.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,586,870.60 : 78,880,305.90 = 51,831,043.40 : x
  2. Step 2: Convert to fraction form
    52,586,870.60/78,880,305.90 = 51,831,043.40/x
  3. Step 3: Cross multiply
    52,586,870.60x = 78,880,305.90 × 51,831,043.40
  4. Step 4: Simplify right side
    52,586,870.60x = 4,088,448,558,508,176.50
  5. Step 5: Solve for x
    x = 4,088,448,558,508,176.50/52,586,870.60
  6. Step 6: Final answer
    x = 77,746,565.10

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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.