Home / 147,555,875.80-221,333,813.70-70,860,410.20

Finding the Fourth Proportional to 147,555,875.80, 221,333,813.70 and 70,860,410.20

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Solution

The fourth proportional to 147,555,875.80, 221,333,813.70 and 70,860,410.20 is: 106,290,615.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,555,875.80 : 221,333,813.70 = 70,860,410.20 : x
  2. Step 2: Convert to fraction form
    147,555,875.80/221,333,813.70 = 70,860,410.20/x
  3. Step 3: Cross multiply
    147,555,875.80x = 221,333,813.70 × 70,860,410.20
  4. Step 4: Simplify right side
    147,555,875.80x = 15,683,804,829,912,380
  5. Step 5: Solve for x
    x = 15,683,804,829,912,380/147,555,875.80
  6. Step 6: Final answer
    x = 106,290,615.30

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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.