Home / 63,130,702.72-87,120,368.40-34,157,326.72

Finding the Fourth Proportional to 63,130,702.72, 87,120,368.40 and 34,157,326.72

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Solution

The fourth proportional to 63,130,702.72, 87,120,368.40 and 34,157,326.72 is: 47,137,110.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,130,702.72 : 87,120,368.40 = 34,157,326.72 : x
  2. Step 2: Convert to fraction form
    63,130,702.72/87,120,368.40 = 34,157,326.72/x
  3. Step 3: Cross multiply
    63,130,702.72x = 87,120,368.40 × 34,157,326.72
  4. Step 4: Simplify right side
    63,130,702.72x = 2,975,798,887,405,563.50
  5. Step 5: Solve for x
    x = 2,975,798,887,405,563.50/63,130,702.72
  6. Step 6: Final answer
    x = 47,137,110.14

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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.