Home / 156,672,031.40-235,008,047.10-65,765,407.40

Finding the Fourth Proportional to 156,672,031.40, 235,008,047.10 and 65,765,407.40

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Solution

The fourth proportional to 156,672,031.40, 235,008,047.10 and 65,765,407.40 is: 98,648,111.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,672,031.40 : 235,008,047.10 = 65,765,407.40 : x
  2. Step 2: Convert to fraction form
    156,672,031.40/235,008,047.10 = 65,765,407.40/x
  3. Step 3: Cross multiply
    156,672,031.40x = 235,008,047.10 × 65,765,407.40
  4. Step 4: Simplify right side
    156,672,031.40x = 15,455,399,959,809,888
  5. Step 5: Solve for x
    x = 15,455,399,959,809,888/156,672,031.40
  6. Step 6: Final answer
    x = 98,648,111.10

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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.