Home / 191,716,405.20-287,574,607.80-161,105,403.60

Finding the Fourth Proportional to 191,716,405.20, 287,574,607.80 and 161,105,403.60

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Solution

The fourth proportional to 191,716,405.20, 287,574,607.80 and 161,105,403.60 is: 241,658,105.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,716,405.20 : 287,574,607.80 = 161,105,403.60 : x
  2. Step 2: Convert to fraction form
    191,716,405.20/287,574,607.80 = 161,105,403.60/x
  3. Step 3: Cross multiply
    191,716,405.20x = 287,574,607.80 × 161,105,403.60
  4. Step 4: Simplify right side
    191,716,405.20x = 46,329,823,254,730,712
  5. Step 5: Solve for x
    x = 46,329,823,254,730,712/191,716,405.20
  6. Step 6: Final answer
    x = 241,658,105.40

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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.