Home / 108,621,145.80-162,931,718.70-62,704,643.40

Finding the Fourth Proportional to 108,621,145.80, 162,931,718.70 and 62,704,643.40

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Solution

The fourth proportional to 108,621,145.80, 162,931,718.70 and 62,704,643.40 is: 94,056,965.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,621,145.80 : 162,931,718.70 = 62,704,643.40 : x
  2. Step 2: Convert to fraction form
    108,621,145.80/162,931,718.70 = 62,704,643.40/x
  3. Step 3: Cross multiply
    108,621,145.80x = 162,931,718.70 × 62,704,643.40
  4. Step 4: Simplify right side
    108,621,145.80x = 10,216,575,319,632,610
  5. Step 5: Solve for x
    x = 10,216,575,319,632,610/108,621,145.80
  6. Step 6: Final answer
    x = 94,056,965.10

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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.