Home / 64,087,980.40-96,131,970.60-42,551,570.80

Finding the Fourth Proportional to 64,087,980.40, 96,131,970.60 and 42,551,570.80

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Solution

The fourth proportional to 64,087,980.40, 96,131,970.60 and 42,551,570.80 is: 63,827,356.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,087,980.40 : 96,131,970.60 = 42,551,570.80 : x
  2. Step 2: Convert to fraction form
    64,087,980.40/96,131,970.60 = 42,551,570.80/x
  3. Step 3: Cross multiply
    64,087,980.40x = 96,131,970.60 × 42,551,570.80
  4. Step 4: Simplify right side
    64,087,980.40x = 4,090,566,353,129,418
  5. Step 5: Solve for x
    x = 4,090,566,353,129,418/64,087,980.40
  6. Step 6: Final answer
    x = 63,827,356.20

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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.