Home / 72,465,030.24-99,963,626.76-43,075,458.24

Finding the Fourth Proportional to 72,465,030.24, 99,963,626.76 and 43,075,458.24

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Solution

The fourth proportional to 72,465,030.24, 99,963,626.76 and 43,075,458.24 is: 59,421,475.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,465,030.24 : 99,963,626.76 = 43,075,458.24 : x
  2. Step 2: Convert to fraction form
    72,465,030.24/99,963,626.76 = 43,075,458.24/x
  3. Step 3: Cross multiply
    72,465,030.24x = 99,963,626.76 × 43,075,458.24
  4. Step 4: Simplify right side
    72,465,030.24x = 4,305,979,030,019,327
  5. Step 5: Solve for x
    x = 4,305,979,030,019,327/72,465,030.24
  6. Step 6: Final answer
    x = 59,421,475.65

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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.