Home / 153,761,624.28-212,190,903.31-86,794,681.31

Finding the Fourth Proportional to 153,761,624.28, 212,190,903.31 and 86,794,681.31

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Solution

The fourth proportional to 153,761,624.28, 212,190,903.31 and 86,794,681.31 is: 119,776,582.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,761,624.28 : 212,190,903.31 = 86,794,681.31 : x
  2. Step 2: Convert to fraction form
    153,761,624.28/212,190,903.31 = 86,794,681.31/x
  3. Step 3: Cross multiply
    153,761,624.28x = 212,190,903.31 × 86,794,681.31
  4. Step 4: Simplify right side
    153,761,624.28x = 18,417,041,829,672,476
  5. Step 5: Solve for x
    x = 18,417,041,829,672,476/153,761,624.28
  6. Step 6: Final answer
    x = 119,776,582.20

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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.