Home / 52,352,036.70-78,528,055.05-20,439,332.70

Finding the Fourth Proportional to 52,352,036.70, 78,528,055.05 and 20,439,332.70

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Solution

The fourth proportional to 52,352,036.70, 78,528,055.05 and 20,439,332.70 is: 30,658,999.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,352,036.70 : 78,528,055.05 = 20,439,332.70 : x
  2. Step 2: Convert to fraction form
    52,352,036.70/78,528,055.05 = 20,439,332.70/x
  3. Step 3: Cross multiply
    52,352,036.70x = 78,528,055.05 × 20,439,332.70
  4. Step 4: Simplify right side
    52,352,036.70x = 1,605,061,043,450,865
  5. Step 5: Solve for x
    x = 1,605,061,043,450,865/52,352,036.70
  6. Step 6: Final answer
    x = 30,658,999.05

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1.5x scale

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.