Home / 258,804,859.24-357,196,838.34-152,953,953.40

Finding the Fourth Proportional to 258,804,859.24, 357,196,838.34 and 152,953,953.40

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Solution

The fourth proportional to 258,804,859.24, 357,196,838.34 and 152,953,953.40 is: 211,103,720.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    258,804,859.24 : 357,196,838.34 = 152,953,953.40 : x
  2. Step 2: Convert to fraction form
    258,804,859.24/357,196,838.34 = 152,953,953.40/x
  3. Step 3: Cross multiply
    258,804,859.24x = 357,196,838.34 × 152,953,953.40
  4. Step 4: Simplify right side
    258,804,859.24x = 54,634,668,566,083,688
  5. Step 5: Solve for x
    x = 54,634,668,566,083,688/258,804,859.24
  6. Step 6: Final answer
    x = 211,103,720.10

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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.