Home / 70,124,057.11-105,186,086.58-19,006,075.93

Finding the Fourth Proportional to 70,124,057.11, 105,186,086.58 and 19,006,075.93

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Solution

The fourth proportional to 70,124,057.11, 105,186,086.58 and 19,006,075.93 is: 28,509,114.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,124,057.11 : 105,186,086.58 = 19,006,075.93 : x
  2. Step 2: Convert to fraction form
    70,124,057.11/105,186,086.58 = 19,006,075.93/x
  3. Step 3: Cross multiply
    70,124,057.11x = 105,186,086.58 × 19,006,075.93
  4. Step 4: Simplify right side
    70,124,057.11x = 1,999,174,748,319,034
  5. Step 5: Solve for x
    x = 1,999,174,748,319,034/70,124,057.11
  6. Step 6: Final answer
    x = 28,509,114.14

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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.