Home / 99,152,457.40-148,752,305.70-47,992,403.80

Finding the Fourth Proportional to 99,152,457.40, 148,752,305.70 and 47,992,403.80

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Solution

The fourth proportional to 99,152,457.40, 148,752,305.70 and 47,992,403.80 is: 72,000,038.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,152,457.40 : 148,752,305.70 = 47,992,403.80 : x
  2. Step 2: Convert to fraction form
    99,152,457.40/148,752,305.70 = 47,992,403.80/x
  3. Step 3: Cross multiply
    99,152,457.40x = 148,752,305.70 × 47,992,403.80
  4. Step 4: Simplify right side
    99,152,457.40x = 7,138,980,721,335,441
  5. Step 5: Solve for x
    x = 7,138,980,721,335,441/99,152,457.40
  6. Step 6: Final answer
    x = 72,000,038.21

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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.