Home / 52,152,090.30-78,228,135.45-38,547,200.70

Finding the Fourth Proportional to 52,152,090.30, 78,228,135.45 and 38,547,200.70

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Solution

The fourth proportional to 52,152,090.30, 78,228,135.45 and 38,547,200.70 is: 57,820,801.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,152,090.30 : 78,228,135.45 = 38,547,200.70 : x
  2. Step 2: Convert to fraction form
    52,152,090.30/78,228,135.45 = 38,547,200.70/x
  3. Step 3: Cross multiply
    52,152,090.30x = 78,228,135.45 × 38,547,200.70
  4. Step 4: Simplify right side
    52,152,090.30x = 3,015,475,637,577,935
  5. Step 5: Solve for x
    x = 3,015,475,637,577,935/52,152,090.30
  6. Step 6: Final answer
    x = 57,820,801.05

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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.