Home / 73,036,080-100,788,558.40-40,440,332.16

Finding the Fourth Proportional to 73,036,080, 100,788,558.40 and 40,440,332.16

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Solution

The fourth proportional to 73,036,080, 100,788,558.40 and 40,440,332.16 is: 55,806,976.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,036,080 : 100,788,558.40 = 40,440,332.16 : x
  2. Step 2: Convert to fraction form
    73,036,080/100,788,558.40 = 40,440,332.16/x
  3. Step 3: Cross multiply
    73,036,080x = 100,788,558.40 × 40,440,332.16
  4. Step 4: Simplify right side
    73,036,080x = 4,075,922,779,623,558
  5. Step 5: Solve for x
    x = 4,075,922,779,623,558/73,036,080
  6. Step 6: Final answer
    x = 55,806,976.22

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.