Home / 191,484,330.30-287,226,495.45-53,309,670.30

Finding the Fourth Proportional to 191,484,330.30, 287,226,495.45 and 53,309,670.30

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Solution

The fourth proportional to 191,484,330.30, 287,226,495.45 and 53,309,670.30 is: 79,964,505.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,484,330.30 : 287,226,495.45 = 53,309,670.30 : x
  2. Step 2: Convert to fraction form
    191,484,330.30/287,226,495.45 = 53,309,670.30/x
  3. Step 3: Cross multiply
    191,484,330.30x = 287,226,495.45 × 53,309,670.30
  4. Step 4: Simplify right side
    191,484,330.30x = 15,311,949,773,863,948
  5. Step 5: Solve for x
    x = 15,311,949,773,863,948/191,484,330.30
  6. Step 6: Final answer
    x = 79,964,505.45

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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.