Home / 227,931,312.29-314,510,426.66-128,775,880.89

Finding the Fourth Proportional to 227,931,312.29, 314,510,426.66 and 128,775,880.89

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Solution

The fourth proportional to 227,931,312.29, 314,510,426.66 and 128,775,880.89 is: 177,691,063.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,931,312.29 : 314,510,426.66 = 128,775,880.89 : x
  2. Step 2: Convert to fraction form
    227,931,312.29/314,510,426.66 = 128,775,880.89/x
  3. Step 3: Cross multiply
    227,931,312.29x = 314,510,426.66 × 128,775,880.89
  4. Step 4: Simplify right side
    227,931,312.29x = 40,501,357,242,553,184
  5. Step 5: Solve for x
    x = 40,501,357,242,553,184/227,931,312.29
  6. Step 6: Final answer
    x = 177,691,063.31

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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.