Home / 209,808,423.36-314,688,425.76-56,442,427.20

Finding the Fourth Proportional to 209,808,423.36, 314,688,425.76 and 56,442,427.20

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Solution

The fourth proportional to 209,808,423.36, 314,688,425.76 and 56,442,427.20 is: 84,657,128.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,808,423.36 : 314,688,425.76 = 56,442,427.20 : x
  2. Step 2: Convert to fraction form
    209,808,423.36/314,688,425.76 = 56,442,427.20/x
  3. Step 3: Cross multiply
    209,808,423.36x = 314,688,425.76 × 56,442,427.20
  4. Step 4: Simplify right side
    209,808,423.36x = 17,761,778,561,641,406
  5. Step 5: Solve for x
    x = 17,761,778,561,641,406/209,808,423.36
  6. Step 6: Final answer
    x = 84,657,128.05

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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.