Home / 42,635,346.60-63,953,019.90-39,779,999.40

Finding the Fourth Proportional to 42,635,346.60, 63,953,019.90 and 39,779,999.40

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Solution

The fourth proportional to 42,635,346.60, 63,953,019.90 and 39,779,999.40 is: 59,669,999.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,635,346.60 : 63,953,019.90 = 39,779,999.40 : x
  2. Step 2: Convert to fraction form
    42,635,346.60/63,953,019.90 = 39,779,999.40/x
  3. Step 3: Cross multiply
    42,635,346.60x = 63,953,019.90 × 39,779,999.40
  4. Step 4: Simplify right side
    42,635,346.60x = 2,544,051,093,250,188
  5. Step 5: Solve for x
    x = 2,544,051,093,250,188/42,635,346.60
  6. Step 6: Final answer
    x = 59,669,999.10

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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.