Home / 100,792,477.70-151,216,710.15-43,312,285.70

Finding the Fourth Proportional to 100,792,477.70, 151,216,710.15 and 43,312,285.70

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Solution

The fourth proportional to 100,792,477.70, 151,216,710.15 and 43,312,285.70 is: 64,980,457.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,792,477.70 : 151,216,710.15 = 43,312,285.70 : x
  2. Step 2: Convert to fraction form
    100,792,477.70/151,216,710.15 = 43,312,285.70/x
  3. Step 3: Cross multiply
    100,792,477.70x = 151,216,710.15 × 43,312,285.70
  4. Step 4: Simplify right side
    100,792,477.70x = 6,549,541,352,630,891
  5. Step 5: Solve for x
    x = 6,549,541,352,630,891/100,792,477.70
  6. Step 6: Final answer
    x = 64,980,457.89

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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.