Home / 157,169,111.40-235,753,667.10-80,641,607.40

Finding the Fourth Proportional to 157,169,111.40, 235,753,667.10 and 80,641,607.40

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Solution

The fourth proportional to 157,169,111.40, 235,753,667.10 and 80,641,607.40 is: 120,962,411.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,169,111.40 : 235,753,667.10 = 80,641,607.40 : x
  2. Step 2: Convert to fraction form
    157,169,111.40/235,753,667.10 = 80,641,607.40/x
  3. Step 3: Cross multiply
    157,169,111.40x = 235,753,667.10 × 80,641,607.40
  4. Step 4: Simplify right side
    157,169,111.40x = 19,011,554,665,388,496
  5. Step 5: Solve for x
    x = 19,011,554,665,388,496/157,169,111.40
  6. Step 6: Final answer
    x = 120,962,411.10

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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.