Home / 102,457,223.71-141,391,154.74-56,047,477.64

Finding the Fourth Proportional to 102,457,223.71, 141,391,154.74 and 56,047,477.64

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Solution

The fourth proportional to 102,457,223.71, 141,391,154.74 and 56,047,477.64 is: 77,345,620.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,457,223.71 : 141,391,154.74 = 56,047,477.64 : x
  2. Step 2: Convert to fraction form
    102,457,223.71/141,391,154.74 = 56,047,477.64/x
  3. Step 3: Cross multiply
    102,457,223.71x = 141,391,154.74 × 56,047,477.64
  4. Step 4: Simplify right side
    102,457,223.71x = 7,924,617,583,997,290
  5. Step 5: Solve for x
    x = 7,924,617,583,997,290/102,457,223.71
  6. Step 6: Final answer
    x = 77,345,620.91

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.