Home / 156,069,968.20-233,853,009.90-98,459,139.40

Finding the Fourth Proportional to 156,069,968.20, 233,853,009.90 and 98,459,139.40

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Solution

The fourth proportional to 156,069,968.20, 233,853,009.90 and 98,459,139.40 is: 147,529,767.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,069,968.20 : 233,853,009.90 = 98,459,139.40 : x
  2. Step 2: Convert to fraction form
    156,069,968.20/233,853,009.90 = 98,459,139.40/x
  3. Step 3: Cross multiply
    156,069,968.20x = 233,853,009.90 × 98,459,139.40
  4. Step 4: Simplify right side
    156,069,968.20x = 23,024,966,100,853,684
  5. Step 5: Solve for x
    x = 23,024,966,100,853,684/156,069,968.20
  6. Step 6: Final answer
    x = 147,529,767.36

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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.