Home / 119,821,803,626.45-165,354,178,151.51-64,889,403,071.02

Finding the Fourth Proportional to 119,821,803,626.45, 165,354,178,151.51 and 64,889,403,071.02

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Solution

The fourth proportional to 119,821,803,626.45, 165,354,178,151.51 and 64,889,403,071.02 is: 89,547,424,515.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,821,803,626.45 : 165,354,178,151.51 = 64,889,403,071.02 : x
  2. Step 2: Convert to fraction form
    119,821,803,626.45/165,354,178,151.51 = 64,889,403,071.02/x
  3. Step 3: Cross multiply
    119,821,803,626.45x = 165,354,178,151.51 × 64,889,403,071.02
  4. Step 4: Simplify right side
    119,821,803,626.45x = 10,729,733,915,550,251,220,992
  5. Step 5: Solve for x
    x = 10,729,733,915,550,251,220,992/119,821,803,626.45
  6. Step 6: Final answer
    x = 89,547,424,515.50

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1.5x scale

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.