Home / 64,001,642.72-96,002,510.81-15,479,543.25

Finding the Fourth Proportional to 64,001,642.72, 96,002,510.81 and 15,479,543.25

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Solution

The fourth proportional to 64,001,642.72, 96,002,510.81 and 15,479,543.25 is: 23,219,326.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,001,642.72 : 96,002,510.81 = 15,479,543.25 : x
  2. Step 2: Convert to fraction form
    64,001,642.72/96,002,510.81 = 15,479,543.25/x
  3. Step 3: Cross multiply
    64,001,642.72x = 96,002,510.81 × 15,479,543.25
  4. Step 4: Simplify right side
    64,001,642.72x = 1,486,075,018,114,590
  5. Step 5: Solve for x
    x = 1,486,075,018,114,590/64,001,642.72
  6. Step 6: Final answer
    x = 23,219,326.18

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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.