Home / 55,730,779.20-83,596,168.80-19,327,070.70

Finding the Fourth Proportional to 55,730,779.20, 83,596,168.80 and 19,327,070.70

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Solution

The fourth proportional to 55,730,779.20, 83,596,168.80 and 19,327,070.70 is: 28,990,606.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,730,779.20 : 83,596,168.80 = 19,327,070.70 : x
  2. Step 2: Convert to fraction form
    55,730,779.20/83,596,168.80 = 19,327,070.70/x
  3. Step 3: Cross multiply
    55,730,779.20x = 83,596,168.80 × 19,327,070.70
  4. Step 4: Simplify right side
    55,730,779.20x = 1,615,669,064,646,734
  5. Step 5: Solve for x
    x = 1,615,669,064,646,734/55,730,779.20
  6. Step 6: Final answer
    x = 28,990,606.05

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1.5x scale

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.