Home / 42,912,076.60-64,368,114.90-10,563,722.20

Finding the Fourth Proportional to 42,912,076.60, 64,368,114.90 and 10,563,722.20

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Solution

The fourth proportional to 42,912,076.60, 64,368,114.90 and 10,563,722.20 is: 15,845,583.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,912,076.60 : 64,368,114.90 = 10,563,722.20 : x
  2. Step 2: Convert to fraction form
    42,912,076.60/64,368,114.90 = 10,563,722.20/x
  3. Step 3: Cross multiply
    42,912,076.60x = 64,368,114.90 × 10,563,722.20
  4. Step 4: Simplify right side
    42,912,076.60x = 679,966,884,341,280.75
  5. Step 5: Solve for x
    x = 679,966,884,341,280.75/42,912,076.60
  6. Step 6: Final answer
    x = 15,845,583.30

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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.