Home / 70,342,859.40-105,514,289.10-58,249,624.20

Finding the Fourth Proportional to 70,342,859.40, 105,514,289.10 and 58,249,624.20

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Solution

The fourth proportional to 70,342,859.40, 105,514,289.10 and 58,249,624.20 is: 87,374,436.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,342,859.40 : 105,514,289.10 = 58,249,624.20 : x
  2. Step 2: Convert to fraction form
    70,342,859.40/105,514,289.10 = 58,249,624.20/x
  3. Step 3: Cross multiply
    70,342,859.40x = 105,514,289.10 × 58,249,624.20
  4. Step 4: Simplify right side
    70,342,859.40x = 6,146,167,687,805,156
  5. Step 5: Solve for x
    x = 6,146,167,687,805,156/70,342,859.40
  6. Step 6: Final answer
    x = 87,374,436.30

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Similar ratio
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1.5x scale

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.