Home / 105,157,554.84-145,117,875.98-57,473,772.39

Finding the Fourth Proportional to 105,157,554.84, 145,117,875.98 and 57,473,772.39

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Solution

The fourth proportional to 105,157,554.84, 145,117,875.98 and 57,473,772.39 is: 79,314,052.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,157,554.84 : 145,117,875.98 = 57,473,772.39 : x
  2. Step 2: Convert to fraction form
    105,157,554.84/145,117,875.98 = 57,473,772.39/x
  3. Step 3: Cross multiply
    105,157,554.84x = 145,117,875.98 × 57,473,772.39
  4. Step 4: Simplify right side
    105,157,554.84x = 8,340,471,773,507,399
  5. Step 5: Solve for x
    x = 8,340,471,773,507,399/105,157,554.84
  6. Step 6: Final answer
    x = 79,314,052.01

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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.