Home / 98,284,903.40-147,427,355.10-47,158,221.80

Finding the Fourth Proportional to 98,284,903.40, 147,427,355.10 and 47,158,221.80

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Solution

The fourth proportional to 98,284,903.40, 147,427,355.10 and 47,158,221.80 is: 70,737,332.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,284,903.40 : 147,427,355.10 = 47,158,221.80 : x
  2. Step 2: Convert to fraction form
    98,284,903.40/147,427,355.10 = 47,158,221.80/x
  3. Step 3: Cross multiply
    98,284,903.40x = 147,427,355.10 × 47,158,221.80
  4. Step 4: Simplify right side
    98,284,903.40x = 6,952,411,911,193,160
  5. Step 5: Solve for x
    x = 6,952,411,911,193,160/98,284,903.40
  6. Step 6: Final answer
    x = 70,737,332.70

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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.