Home / 113,298,038.10-156,342,349.28-63,728,543.14

Finding the Fourth Proportional to 113,298,038.10, 156,342,349.28 and 63,728,543.14

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Solution

The fourth proportional to 113,298,038.10, 156,342,349.28 and 63,728,543.14 is: 87,940,359.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,298,038.10 : 156,342,349.28 = 63,728,543.14 : x
  2. Step 2: Convert to fraction form
    113,298,038.10/156,342,349.28 = 63,728,543.14/x
  3. Step 3: Cross multiply
    113,298,038.10x = 156,342,349.28 × 63,728,543.14
  4. Step 4: Simplify right side
    113,298,038.10x = 9,963,470,150,699,428
  5. Step 5: Solve for x
    x = 9,963,470,150,699,428/113,298,038.10
  6. Step 6: Final answer
    x = 87,940,359.05

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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.