Home / 70,342,858.40-105,514,287.60-58,249,623.20

Finding the Fourth Proportional to 70,342,858.40, 105,514,287.60 and 58,249,623.20

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Solution

The fourth proportional to 70,342,858.40, 105,514,287.60 and 58,249,623.20 is: 87,374,434.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,342,858.40 : 105,514,287.60 = 58,249,623.20 : x
  2. Step 2: Convert to fraction form
    70,342,858.40/105,514,287.60 = 58,249,623.20/x
  3. Step 3: Cross multiply
    70,342,858.40x = 105,514,287.60 × 58,249,623.20
  4. Step 4: Simplify right side
    70,342,858.40x = 6,146,167,494,916,432
  5. Step 5: Solve for x
    x = 6,146,167,494,916,432/70,342,858.40
  6. Step 6: Final answer
    x = 87,374,434.80

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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.