Home / 153,693,444.02-212,098,626.78-84,077,330.23

Finding the Fourth Proportional to 153,693,444.02, 212,098,626.78 and 84,077,330.23

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Solution

The fourth proportional to 153,693,444.02, 212,098,626.78 and 84,077,330.23 is: 116,027,631.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,693,444.02 : 212,098,626.78 = 84,077,330.23 : x
  2. Step 2: Convert to fraction form
    153,693,444.02/212,098,626.78 = 84,077,330.23/x
  3. Step 3: Cross multiply
    153,693,444.02x = 212,098,626.78 × 84,077,330.23
  4. Step 4: Simplify right side
    153,693,444.02x = 17,832,686,285,111,582
  5. Step 5: Solve for x
    x = 17,832,686,285,111,582/153,693,444.02
  6. Step 6: Final answer
    x = 116,027,631.49

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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.