Home / 315,597,779.70-473,060,746.35-121,434,170.10

Finding the Fourth Proportional to 315,597,779.70, 473,060,746.35 and 121,434,170.10

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Solution

The fourth proportional to 315,597,779.70, 473,060,746.35 and 121,434,170.10 is: 182,022,000.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    315,597,779.70 : 473,060,746.35 = 121,434,170.10 : x
  2. Step 2: Convert to fraction form
    315,597,779.70/473,060,746.35 = 121,434,170.10/x
  3. Step 3: Cross multiply
    315,597,779.70x = 473,060,746.35 × 121,434,170.10
  4. Step 4: Simplify right side
    315,597,779.70x = 57,445,739,139,898,856
  5. Step 5: Solve for x
    x = 57,445,739,139,898,856/315,597,779.70
  6. Step 6: Final answer
    x = 182,022,000.26

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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.