Home / 125,736,401.60-188,226,688.80-74,592,094.40

Finding the Fourth Proportional to 125,736,401.60, 188,226,688.80 and 74,592,094.40

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Solution

The fourth proportional to 125,736,401.60, 188,226,688.80 and 74,592,094.40 is: 111,663,947.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,736,401.60 : 188,226,688.80 = 74,592,094.40 : x
  2. Step 2: Convert to fraction form
    125,736,401.60/188,226,688.80 = 74,592,094.40/x
  3. Step 3: Cross multiply
    125,736,401.60x = 188,226,688.80 × 74,592,094.40
  4. Step 4: Simplify right side
    125,736,401.60x = 14,040,222,939,569,024
  5. Step 5: Solve for x
    x = 14,040,222,939,569,024/125,736,401.60
  6. Step 6: Final answer
    x = 111,663,947.44

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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.