Home / 119,117,916.80-178,676,875.20-42,527,427.20

Finding the Fourth Proportional to 119,117,916.80, 178,676,875.20 and 42,527,427.20

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Solution

The fourth proportional to 119,117,916.80, 178,676,875.20 and 42,527,427.20 is: 63,791,140.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,117,916.80 : 178,676,875.20 = 42,527,427.20 : x
  2. Step 2: Convert to fraction form
    119,117,916.80/178,676,875.20 = 42,527,427.20/x
  3. Step 3: Cross multiply
    119,117,916.80x = 178,676,875.20 × 42,527,427.20
  4. Step 4: Simplify right side
    119,117,916.80x = 7,598,667,802,391,485
  5. Step 5: Solve for x
    x = 7,598,667,802,391,485/119,117,916.80
  6. Step 6: Final answer
    x = 63,791,140.80

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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.