Home / 98,668,733.86-147,943,168.36-49,427,320.67

Finding the Fourth Proportional to 98,668,733.86, 147,943,168.36 and 49,427,320.67

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Solution

The fourth proportional to 98,668,733.86, 147,943,168.36 and 49,427,320.67 is: 74,110,958.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,668,733.86 : 147,943,168.36 = 49,427,320.67 : x
  2. Step 2: Convert to fraction form
    98,668,733.86/147,943,168.36 = 49,427,320.67/x
  3. Step 3: Cross multiply
    98,668,733.86x = 147,943,168.36 × 49,427,320.67
  4. Step 4: Simplify right side
    98,668,733.86x = 7,312,434,423,087,303
  5. Step 5: Solve for x
    x = 7,312,434,423,087,303/98,668,733.86
  6. Step 6: Final answer
    x = 74,110,958.32

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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.