Home / 56,493,031.60-84,739,547.40-18,158,420.80

Finding the Fourth Proportional to 56,493,031.60, 84,739,547.40 and 18,158,420.80

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Solution

The fourth proportional to 56,493,031.60, 84,739,547.40 and 18,158,420.80 is: 27,237,631.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,493,031.60 : 84,739,547.40 = 18,158,420.80 : x
  2. Step 2: Convert to fraction form
    56,493,031.60/84,739,547.40 = 18,158,420.80/x
  3. Step 3: Cross multiply
    56,493,031.60x = 84,739,547.40 × 18,158,420.80
  4. Step 4: Simplify right side
    56,493,031.60x = 1,538,736,360,090,746
  5. Step 5: Solve for x
    x = 1,538,736,360,090,746/56,493,031.60
  6. Step 6: Final answer
    x = 27,237,631.20

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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.