Home / 66,438,027.40-99,657,041.10-43,763,211.40

Finding the Fourth Proportional to 66,438,027.40, 99,657,041.10 and 43,763,211.40

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Solution

The fourth proportional to 66,438,027.40, 99,657,041.10 and 43,763,211.40 is: 65,644,817.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,438,027.40 : 99,657,041.10 = 43,763,211.40 : x
  2. Step 2: Convert to fraction form
    66,438,027.40/99,657,041.10 = 43,763,211.40/x
  3. Step 3: Cross multiply
    66,438,027.40x = 99,657,041.10 × 43,763,211.40
  4. Step 4: Simplify right side
    66,438,027.40x = 4,361,312,157,157,788
  5. Step 5: Solve for x
    x = 4,361,312,157,157,788/66,438,027.40
  6. Step 6: Final answer
    x = 65,644,817.10

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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.