Home / 153,693,436.77-212,098,616.78-84,077,322.98

Finding the Fourth Proportional to 153,693,436.77, 212,098,616.78 and 84,077,322.98

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Solution

The fourth proportional to 153,693,436.77, 212,098,616.78 and 84,077,322.98 is: 116,027,621.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,693,436.77 : 212,098,616.78 = 84,077,322.98 : x
  2. Step 2: Convert to fraction form
    153,693,436.77/212,098,616.78 = 84,077,322.98/x
  3. Step 3: Cross multiply
    153,693,436.77x = 212,098,616.78 × 84,077,322.98
  4. Step 4: Simplify right side
    153,693,436.77x = 17,832,683,905,142,428
  5. Step 5: Solve for x
    x = 17,832,683,905,142,428/153,693,436.77
  6. Step 6: Final answer
    x = 116,027,621.48

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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.