Home / 98,221,756.70-147,307,495.48-29,118,400.81

Finding the Fourth Proportional to 98,221,756.70, 147,307,495.48 and 29,118,400.81

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Solution

The fourth proportional to 98,221,756.70, 147,307,495.48 and 29,118,400.81 is: 43,670,148.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,221,756.70 : 147,307,495.48 = 29,118,400.81 : x
  2. Step 2: Convert to fraction form
    98,221,756.70/147,307,495.48 = 29,118,400.81/x
  3. Step 3: Cross multiply
    98,221,756.70x = 147,307,495.48 × 29,118,400.81
  4. Step 4: Simplify right side
    98,221,756.70x = 4,289,358,695,262,838.50
  5. Step 5: Solve for x
    x = 4,289,358,695,262,838.50/98,221,756.70
  6. Step 6: Final answer
    x = 43,670,148.44

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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.