Home / 75,139,462.02-112,630,528.08-31,445,254.83

Finding the Fourth Proportional to 75,139,462.02, 112,630,528.08 and 31,445,254.83

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Solution

The fourth proportional to 75,139,462.02, 112,630,528.08 and 31,445,254.83 is: 47,134,961.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,139,462.02 : 112,630,528.08 = 31,445,254.83 : x
  2. Step 2: Convert to fraction form
    75,139,462.02/112,630,528.08 = 31,445,254.83/x
  3. Step 3: Cross multiply
    75,139,462.02x = 112,630,528.08 × 31,445,254.83
  4. Step 4: Simplify right side
    75,139,462.02x = 3,541,695,657,113,070.50
  5. Step 5: Solve for x
    x = 3,541,695,657,113,070.50/75,139,462.02
  6. Step 6: Final answer
    x = 47,134,961.60

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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.