Home / 112,118,030.10-168,177,045.15-73,375,981.20

Finding the Fourth Proportional to 112,118,030.10, 168,177,045.15 and 73,375,981.20

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Solution

The fourth proportional to 112,118,030.10, 168,177,045.15 and 73,375,981.20 is: 110,063,971.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,118,030.10 : 168,177,045.15 = 73,375,981.20 : x
  2. Step 2: Convert to fraction form
    112,118,030.10/168,177,045.15 = 73,375,981.20/x
  3. Step 3: Cross multiply
    112,118,030.10x = 168,177,045.15 × 73,375,981.20
  4. Step 4: Simplify right side
    112,118,030.10x = 12,340,155,703,197,952
  5. Step 5: Solve for x
    x = 12,340,155,703,197,952/112,118,030.10
  6. Step 6: Final answer
    x = 110,063,971.80

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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.