Home / 107,779,421.60-161,669,132.40-53,218,145.60

Finding the Fourth Proportional to 107,779,421.60, 161,669,132.40 and 53,218,145.60

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Solution

The fourth proportional to 107,779,421.60, 161,669,132.40 and 53,218,145.60 is: 79,827,218.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,779,421.60 : 161,669,132.40 = 53,218,145.60 : x
  2. Step 2: Convert to fraction form
    107,779,421.60/161,669,132.40 = 53,218,145.60/x
  3. Step 3: Cross multiply
    107,779,421.60x = 161,669,132.40 × 53,218,145.60
  4. Step 4: Simplify right side
    107,779,421.60x = 8,603,731,427,088,878
  5. Step 5: Solve for x
    x = 8,603,731,427,088,878/107,779,421.60
  6. Step 6: Final answer
    x = 79,827,218.40

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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.