Home / 58,298,948.64-87,389,898.72-19,934,225.28

Finding the Fourth Proportional to 58,298,948.64, 87,389,898.72 and 19,934,225.28

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Solution

The fourth proportional to 58,298,948.64, 87,389,898.72 and 19,934,225.28 is: 29,881,326.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,298,948.64 : 87,389,898.72 = 19,934,225.28 : x
  2. Step 2: Convert to fraction form
    58,298,948.64/87,389,898.72 = 19,934,225.28/x
  3. Step 3: Cross multiply
    58,298,948.64x = 87,389,898.72 × 19,934,225.28
  4. Step 4: Simplify right side
    58,298,948.64x = 1,742,049,928,280,863.75
  5. Step 5: Solve for x
    x = 1,742,049,928,280,863.75/58,298,948.64
  6. Step 6: Final answer
    x = 29,881,326.66

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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.