Home / 278,689,225.04-384,592,519.37-153,249,510.64

Finding the Fourth Proportional to 278,689,225.04, 384,592,519.37 and 153,249,510.64

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Solution

The fourth proportional to 278,689,225.04, 384,592,519.37 and 153,249,510.64 is: 211,485,088.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    278,689,225.04 : 384,592,519.37 = 153,249,510.64 : x
  2. Step 2: Convert to fraction form
    278,689,225.04/384,592,519.37 = 153,249,510.64/x
  3. Step 3: Cross multiply
    278,689,225.04x = 384,592,519.37 × 153,249,510.64
  4. Step 4: Simplify right side
    278,689,225.04x = 58,938,615,388,349,328
  5. Step 5: Solve for x
    x = 58,938,615,388,349,328/278,689,225.04
  6. Step 6: Final answer
    x = 211,485,088.38

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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.