Home / 145,510,762.80-218,266,144.20-87,973,417.20

Finding the Fourth Proportional to 145,510,762.80, 218,266,144.20 and 87,973,417.20

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Solution

The fourth proportional to 145,510,762.80, 218,266,144.20 and 87,973,417.20 is: 131,960,125.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,510,762.80 : 218,266,144.20 = 87,973,417.20 : x
  2. Step 2: Convert to fraction form
    145,510,762.80/218,266,144.20 = 87,973,417.20/x
  3. Step 3: Cross multiply
    145,510,762.80x = 218,266,144.20 × 87,973,417.20
  4. Step 4: Simplify right side
    145,510,762.80x = 19,201,618,564,341,960
  5. Step 5: Solve for x
    x = 19,201,618,564,341,960/145,510,762.80
  6. Step 6: Final answer
    x = 131,960,125.80

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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.