Home / 63,953,985.90-88,285,322.43-40,780,261.74

Finding the Fourth Proportional to 63,953,985.90, 88,285,322.43 and 40,780,261.74

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Solution

The fourth proportional to 63,953,985.90, 88,285,322.43 and 40,780,261.74 is: 56,295,139.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,953,985.90 : 88,285,322.43 = 40,780,261.74 : x
  2. Step 2: Convert to fraction form
    63,953,985.90/88,285,322.43 = 40,780,261.74/x
  3. Step 3: Cross multiply
    63,953,985.90x = 88,285,322.43 × 40,780,261.74
  4. Step 4: Simplify right side
    63,953,985.90x = 3,600,298,556,495,693.50
  5. Step 5: Solve for x
    x = 3,600,298,556,495,693.50/63,953,985.90
  6. Step 6: Final answer
    x = 56,295,139.48

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.