Home / 140,167,973.40-193,433,832.78-77,445,514.44

Finding the Fourth Proportional to 140,167,973.40, 193,433,832.78 and 77,445,514.44

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Solution

The fourth proportional to 140,167,973.40, 193,433,832.78 and 77,445,514.44 is: 106,875,931.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,167,973.40 : 193,433,832.78 = 77,445,514.44 : x
  2. Step 2: Convert to fraction form
    140,167,973.40/193,433,832.78 = 77,445,514.44/x
  3. Step 3: Cross multiply
    140,167,973.40x = 193,433,832.78 × 77,445,514.44
  4. Step 4: Simplify right side
    140,167,973.40x = 14,980,582,689,748,034
  5. Step 5: Solve for x
    x = 14,980,582,689,748,034/140,167,973.40
  6. Step 6: Final answer
    x = 106,875,931.26

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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.