Home / 116,123,451.40-174,185,177.10-85,890,363.40

Finding the Fourth Proportional to 116,123,451.40, 174,185,177.10 and 85,890,363.40

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Solution

The fourth proportional to 116,123,451.40, 174,185,177.10 and 85,890,363.40 is: 128,835,545.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,123,451.40 : 174,185,177.10 = 85,890,363.40 : x
  2. Step 2: Convert to fraction form
    116,123,451.40/174,185,177.10 = 85,890,363.40/x
  3. Step 3: Cross multiply
    116,123,451.40x = 174,185,177.10 × 85,890,363.40
  4. Step 4: Simplify right side
    116,123,451.40x = 14,960,828,160,012,358
  5. Step 5: Solve for x
    x = 14,960,828,160,012,358/116,123,451.40
  6. Step 6: Final answer
    x = 128,835,545.10

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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.