Home / 66,312,020.40-99,468,030.60-60,572,457.60

Finding the Fourth Proportional to 66,312,020.40, 99,468,030.60 and 60,572,457.60

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Solution

The fourth proportional to 66,312,020.40, 99,468,030.60 and 60,572,457.60 is: 90,858,686.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,312,020.40 : 99,468,030.60 = 60,572,457.60 : x
  2. Step 2: Convert to fraction form
    66,312,020.40/99,468,030.60 = 60,572,457.60/x
  3. Step 3: Cross multiply
    66,312,020.40x = 99,468,030.60 × 60,572,457.60
  4. Step 4: Simplify right side
    66,312,020.40x = 6,025,023,066,074,002
  5. Step 5: Solve for x
    x = 6,025,023,066,074,002/66,312,020.40
  6. Step 6: Final answer
    x = 90,858,686.40

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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.