Home / 118,718,898.25-163,832,095.13-65,799,022.50

Finding the Fourth Proportional to 118,718,898.25, 163,832,095.13 and 65,799,022.50

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Solution

The fourth proportional to 118,718,898.25, 163,832,095.13 and 65,799,022.50 is: 90,802,659.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,718,898.25 : 163,832,095.13 = 65,799,022.50 : x
  2. Step 2: Convert to fraction form
    118,718,898.25/163,832,095.13 = 65,799,022.50/x
  3. Step 3: Cross multiply
    118,718,898.25x = 163,832,095.13 × 65,799,022.50
  4. Step 4: Simplify right side
    118,718,898.25x = 10,779,991,713,681,010
  5. Step 5: Solve for x
    x = 10,779,991,713,681,010/118,718,898.25
  6. Step 6: Final answer
    x = 90,802,659.67

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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.