Home / 60,450,457.80-90,675,686.70-56,671,321.80

Finding the Fourth Proportional to 60,450,457.80, 90,675,686.70 and 56,671,321.80

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Solution

The fourth proportional to 60,450,457.80, 90,675,686.70 and 56,671,321.80 is: 85,006,982.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,450,457.80 : 90,675,686.70 = 56,671,321.80 : x
  2. Step 2: Convert to fraction form
    60,450,457.80/90,675,686.70 = 56,671,321.80/x
  3. Step 3: Cross multiply
    60,450,457.80x = 90,675,686.70 × 56,671,321.80
  4. Step 4: Simplify right side
    60,450,457.80x = 5,138,711,020,411,680
  5. Step 5: Solve for x
    x = 5,138,711,020,411,680/60,450,457.80
  6. Step 6: Final answer
    x = 85,006,982.70

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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.