Home / 258,553,931.40-387,830,897.10-234,745,374.60

Finding the Fourth Proportional to 258,553,931.40, 387,830,897.10 and 234,745,374.60

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Solution

The fourth proportional to 258,553,931.40, 387,830,897.10 and 234,745,374.60 is: 352,118,061.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    258,553,931.40 : 387,830,897.10 = 234,745,374.60 : x
  2. Step 2: Convert to fraction form
    258,553,931.40/387,830,897.10 = 234,745,374.60/x
  3. Step 3: Cross multiply
    258,553,931.40x = 387,830,897.10 × 234,745,374.60
  4. Step 4: Simplify right side
    258,553,931.40x = 91,041,509,221,193,552
  5. Step 5: Solve for x
    x = 91,041,509,221,193,552/258,553,931.40
  6. Step 6: Final answer
    x = 352,118,061.90

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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.