Home / 161,799,705.40-242,699,558.10-46,787,999.80

Finding the Fourth Proportional to 161,799,705.40, 242,699,558.10 and 46,787,999.80

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Solution

The fourth proportional to 161,799,705.40, 242,699,558.10 and 46,787,999.80 is: 70,181,999.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,799,705.40 : 242,699,558.10 = 46,787,999.80 : x
  2. Step 2: Convert to fraction form
    161,799,705.40/242,699,558.10 = 46,787,999.80/x
  3. Step 3: Cross multiply
    161,799,705.40x = 242,699,558.10 × 46,787,999.80
  4. Step 4: Simplify right side
    161,799,705.40x = 11,355,426,875,842,888
  5. Step 5: Solve for x
    x = 11,355,426,875,842,888/161,799,705.40
  6. Step 6: Final answer
    x = 70,181,999.70

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1.5x scale

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.