Home / 459,168,159.84-688,754,728.08-136,054,831.20

Finding the Fourth Proportional to 459,168,159.84, 688,754,728.08 and 136,054,831.20

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Solution

The fourth proportional to 459,168,159.84, 688,754,728.08 and 136,054,831.20 is: 204,082,984.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    459,168,159.84 : 688,754,728.08 = 136,054,831.20 : x
  2. Step 2: Convert to fraction form
    459,168,159.84/688,754,728.08 = 136,054,831.20/x
  3. Step 3: Cross multiply
    459,168,159.84x = 688,754,728.08 × 136,054,831.20
  4. Step 4: Simplify right side
    459,168,159.84x = 93,708,408,267,126,304
  5. Step 5: Solve for x
    x = 93,708,408,267,126,304/459,168,159.84
  6. Step 6: Final answer
    x = 204,082,984.11

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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.