Home / 156,863,386.35-235,295,079.53-70,769,944.35

Finding the Fourth Proportional to 156,863,386.35, 235,295,079.53 and 70,769,944.35

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Solution

The fourth proportional to 156,863,386.35, 235,295,079.53 and 70,769,944.35 is: 106,154,916.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,863,386.35 : 235,295,079.53 = 70,769,944.35 : x
  2. Step 2: Convert to fraction form
    156,863,386.35/235,295,079.53 = 70,769,944.35/x
  3. Step 3: Cross multiply
    156,863,386.35x = 235,295,079.53 × 70,769,944.35
  4. Step 4: Simplify right side
    156,863,386.35x = 16,651,819,683,813,074
  5. Step 5: Solve for x
    x = 16,651,819,683,813,074/156,863,386.35
  6. Step 6: Final answer
    x = 106,154,916.53

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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.