Home / 105,217,543.76-145,205,271.20-58,173,746.75

Finding the Fourth Proportional to 105,217,543.76, 145,205,271.20 and 58,173,746.75

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Solution

The fourth proportional to 105,217,543.76, 145,205,271.20 and 58,173,746.75 is: 80,282,568.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,217,543.76 : 145,205,271.20 = 58,173,746.75 : x
  2. Step 2: Convert to fraction form
    105,217,543.76/145,205,271.20 = 58,173,746.75/x
  3. Step 3: Cross multiply
    105,217,543.76x = 145,205,271.20 × 58,173,746.75
  4. Step 4: Simplify right side
    105,217,543.76x = 8,447,134,672,536,973
  5. Step 5: Solve for x
    x = 8,447,134,672,536,973/105,217,543.76
  6. Step 6: Final answer
    x = 80,282,568.58

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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.