Home / 191,835,016.90-287,752,525.35-70,713,708.10

Finding the Fourth Proportional to 191,835,016.90, 287,752,525.35 and 70,713,708.10

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Solution

The fourth proportional to 191,835,016.90, 287,752,525.35 and 70,713,708.10 is: 106,070,562.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,835,016.90 : 287,752,525.35 = 70,713,708.10 : x
  2. Step 2: Convert to fraction form
    191,835,016.90/287,752,525.35 = 70,713,708.10/x
  3. Step 3: Cross multiply
    191,835,016.90x = 287,752,525.35 × 70,713,708.10
  4. Step 4: Simplify right side
    191,835,016.90x = 20,348,048,082,637,752
  5. Step 5: Solve for x
    x = 20,348,048,082,637,752/191,835,016.90
  6. Step 6: Final answer
    x = 106,070,562.15

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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.