Home / 161,803,836.16-242,679,182.16-69,662,767.80

Finding the Fourth Proportional to 161,803,836.16, 242,679,182.16 and 69,662,767.80

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Solution

The fourth proportional to 161,803,836.16, 242,679,182.16 and 69,662,767.80 is: 104,482,711.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,803,836.16 : 242,679,182.16 = 69,662,767.80 : x
  2. Step 2: Convert to fraction form
    161,803,836.16/242,679,182.16 = 69,662,767.80/x
  3. Step 3: Cross multiply
    161,803,836.16x = 242,679,182.16 × 69,662,767.80
  4. Step 4: Simplify right side
    161,803,836.16x = 16,905,703,516,705,982
  5. Step 5: Solve for x
    x = 16,905,703,516,705,982/161,803,836.16
  6. Step 6: Final answer
    x = 104,482,711.40

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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.